Parallel first commit in GIT

This commit is contained in:
Ole Tange 2007-09-10 22:28:03 +02:00
parent 44dd96f365
commit 92b673fe07
43 changed files with 3145 additions and 0 deletions

16
Makefile Normal file
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parallel.1: parallel
pod2man parallel > parallel.1
install: parallel parallel.1
cp parallel /usr/local/bin/parallel
cp parallel.1 /usr/local/man/man1/parallel.1
unittest: parallel unittest/tests-to-run/* unittest/wanted-results/*
(cd unittest; sh Start.sh)
dist:
rm -rf ./unittest/input-files/random_dirs_*_newline || /bin/true
rm -rf ./unittest/tmp || /bin/true
rm parallel.tar.bz2 || /bin/true
( cd ..; tar -cvj --exclude .git --exclude '#*#' --exclude '*~' --exclude CVS -f /tmp/parallel.tar.bz2 parallel )
mv /tmp/parallel.tar.bz2 .

0
README
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674
gpl-3.0.txt Normal file
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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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Preamble
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How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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To do so, attach the following notices to the program. It is safest
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Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
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This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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#!/usr/bin/perl -w
=head1 NAME
parallel - build and execute command lines from standard input in parallel
=head1 SYNOPSIS
B<parallel> [options] [command [arguments]] < list_of_arguments
=head1 DESCRIPTION
For each line of input B<parallel> will execute B<command> with the
line as arguments. If no B<command> is given the line of input is
executed. B<parallel> can often be used as a substitute for B<xargs>
or B<cat | sh>.
Several lines will be run in parallel.
=over 9
=item I<command>
Command to execute. If B<command> or the following arguments contain {}
every instance will be substituted with the input line. Setting a
command also invokes B<-f>.
If B<command> is given, B<parallel> will behave similar to B<xargs>. If
B<command> is not given B<parallel> will behave similar to B<cat | sh>.
=item I<-0>
Use NUL as delimiter. Normally input lines will end in \n
(newline). If they end in \0 (NUL), then use this option. It is useful
for processing filenames that may contain \n (newline).
=item B<-c>
Line is a command. The input line contains more than one argument or
the input line needs to be evaluated by the shell. This is the default
if B<command> is not set. Can be reversed with B<-f>.
=item B<-f>
Line is a filename. The input line contains a filename that will be
quoted so it is not evaluated by the shell. This is the default if
B<command> is set. Can be reversed with B<-c>.
=item B<-g>
Group output. Output from each jobs is grouped together and is only
printed when the command is finished. STDERR first followed by STDOUT.
B<-g> is the default. Can be reversed with B<-u>.
=item B<-j> I<N>
Run N jobs in parallel. Default is 10.
=item B<-j> +I<N>
Add N to the number of CPUs. Run this many jobs in parallel. For
compute intensive jobs I<-j +0> is useful as it will run
number-of-cpus jobs in parallel.
=item B<-j> -I<N>
Subtract N from the number of CPUs. Run this many jobs in parallel.
If the evaluated number is less than 1 then 1 will be used.
=item B<-j> I<N>%
Multiply N% with the number of CPUs. Run this many jobs in parallel.
If the evaluated number is less than 1 then 1 will be used.
=item B<-q>
Quote B<command>. This will quote the command line so special
characters are not interpreted by the shell. See the section
QUOTING. Most people will never need this. Quoting is disabled by
default.
=item B<-s>
Silent. The job to be run will not be printed. This is the default.
Can be reversed with B<-v>.
=item B<-u>
Ungroup output. Output is printed as soon as possible. This may cause
output from different commands to be mixed. Can be reversed with B<-g>.
=item B<-v>
Verbose. Print the job to be run. Can be reversed with B<-s>.
=back
=head1 EXAMPLE 1: Working as cat | sh. Ressource inexpensive jobs and evaluation
B<parallel> can work similar to B<cat | sh>.
A ressource inexpensive job is a job that takes very little CPU, disk
I/O and network I/O. Ping is an example of a ressource inexpensive
job. wget is too - if the webpages are small.
The content of the file jobs_to_run:
ping -c 1 10.0.0.1
wget http://status-server/status.cgi?ip=10.0.0.1
ping -c 1 10.0.0.2
wget http://status-server/status.cgi?ip=10.0.0.2
...
ping -c 1 10.0.0.255
wget http://status-server/status.cgi?ip=10.0.0.255
To run 100 processes simultaneously do:
B<parallel -j 100 < jobs_to_run>
As there is not a B<command> the option B<-c> is default because the
jobs needs to be evaluated by the shell.
=head1 EXAMPLE 2: Working as xargs -n1. Argument appending
B<parallel> can work similar to B<xargs -n1>.
To output all html files run:
B<find . -name '*.html' | parallel cat>
As there is a B<command> the option B<-f> is default because the
filenames needs to be protected from the shell in case a filename
contains special characters.
=head1 EXAMPLE 3: Compute intensive jobs and substitution
If ImageMagick is installed this will generate a thumbnail of a jpg
file:
B<convert -geometry 120 foo.jpg thumb_foo.jpg>
If the system has more than 1 CPU it can be run with number-of-cpus
jobs in parallel (-j +0). This will do that for all jpg files in a
directory:
B<ls *.jpg | parallel -j +0 convert -geometry 120 {} thumb_{}>
To do it recursively use B<find>:
B<find . -name '*.jpg' | parallel -j +0 convert -geometry 120 {} {}_thumb.jpg>
Notice how the argument has to start with {} as {} will include path
(e.g. running B<convert -geometry 120 ./foo/bar.jpg
thumb_./foo/bar.jpg> would clearly be wrong). It will result in files
like ./foo/bar.jpg_thumb.jpg. If that is not wanted this can fix it:
find . -name '*.jpg' | \
perl -pe 'chomp; $a=$_; s:/([^/]+)$:/thumb_$1:; $_="convert -geometry 120 $a $_\n"' | \
parallel -c -j +0
Unfortunately this will not work if the filenames contain special
characters (such as space or quotes). If you have B<ren> installed this
is a better solution:
find . -name '*.jpg' | parallel -j +0 convert -geometry 120 {} {}_thumb.jpg
find . -name '*_thumb.jpg' | ren 's:/([^/]+)_thumb.jpg$:/thumb_$1:'
=head1 EXAMPLE 4: Substitution and redirection
This will compare all files in the dir to the file foo and save the
diffs in corresponding .diff files:
B<ls | parallel diff {} foo ">>B<"{}.diff>
Quoting of > is necessary to postpone the redirection. Another
solution is to quote the whole command:
B<ls | parallel "diff {} foo >>B<{}.diff">
=head1 EXAMPLE 5: Composed commands
A job can consist of several commands. This will print the number of
files in each directory:
B<ls | parallel 'echo -n {}" "; ls {}|wc -l'>
=head1 QUOTING
For more advanced use quoting may be an issue. The following will
print the filename for each line that has exactly 2 columns:
B<perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' file>
This can be done by B<parallel> using:
B<ls | parallel "perl -ne '/^\\S+\\s+\\S+$/ and print \$ARGV,\"\\n\"'">
Notice how \'s, "'s, and $'s needs to be quoted. B<parallel> can do
the quoting by using option B<-q>:
B<ls | parallel -q perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"'>
However, this means you cannot make the shell interpret special
characters. For example this B<will not work>:
B<ls | parallel -q "diff {} foo >>B<{}.diff">
because > needs to be interpreted by the shell.
B<Conclusion>: To avoid dealing with the quoting problems it may be
easier just to write a small script and have B<parallel> call that
script.
=head1 WHY NOT xargs/find -exec
B<xargs> and B<find -exec> offer some of the same possibilites as
B<parallel>. However, the support for running jobs in parallel is
limited.
B<find -exec> only works on files. So processing other input (such as
hosts or URLs) will require creating these inputs as files.
B<xargs> deals badly with special characters (such as space, ' and ") unless
B<-0> is specified. Many input generators are not optimized for using
B<NUL> as separator but are optimized for B<newline> as separator. E.g
B<head>, B<tail>, B<awk>, B<ls>, B<echo>, B<sed>, B<tar -v>, B<perl>
(-0 and \0 instead of \n), B<locate> (requires using -0), B<find>
(requires using -print0), B<grep> (requires user to use -z or -Z).
An example would be to list the number of lines in files containing GNU/Linux:
find . -type f -print0 | xargs -0 grep -Zl GNU/Linux | xargs -0n1 wc -l
find . -type f | parallel grep -l GNU/Linux | parallel wc -l
In the B<xargs> version the user will have to remember B<-Z> for B<grep>.
B<parallel> offers the option B<-0> for B<NUL> separated strings in the
rare event that the input strings contain \n (newline).
=head1 BUGS
Filenames beginning with '-' can cause some commands to give
unexpected results, as it will often be interpreted as an option.
=head1 REPORTING BUGS
Report bugs to <bug-parallel@tange.dk>.
=head1 AUTHOR
Copyright (C) 2007 Ole Tange, http://ole.tange.dk
=head1 LICENSE
Copyright (C) 2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
=head1 DEPENDENCIES
B<parallel> uses Perl, and the Perl modules Getopt::Std, IPC::Open3,
Symbol, IO::File, POSIX, and File::Temp.
=head1 SEE ALSO
B<find>(1), B<xargs>(1)
=cut
use IPC::Open3;
use Symbol qw(gensym);
use IO::File;
use POSIX ":sys_wait_h";
use File::Temp qw/ tempfile tempdir /;
use Getopt::Std;
my ($processes,$command);
getopts("0cdefgj:qsuv") || die $::Usage;
# Defaults:
$Global::debug = 0;
$processes = 10;
$command = undef;
$Global::verbose = 0;
$Global::grouped = 1;
$Global::quoting = 0;
$Global::input_is_filename = (defined @ARGV);
$/="\n";
$Global::debug = (defined $::opt_d);
if(defined $::opt_j) { $processes = compute_number_of_processes($::opt_j); }
if(defined $::opt_v) { $Global::verbose = 1; }
if(defined $::opt_s) { $Global::verbose = 0; }
if(defined $::opt_g) { $Global::grouped = 1; }
if(defined $::opt_u) { $Global::grouped = 0; }
if(defined $::opt_c) { $Global::input_is_filename = 0; }
if(defined $::opt_f) { $Global::input_is_filename = 1; }
if(defined $::opt_0) { $/ = "\0"; }
if(defined $::opt_q) { $Global::quoting = 1; }
if(@ARGV) {
if($Global::quoting) {
$command = join(" ", shell_quote(@ARGV));
} else {
$command = join(" ", @ARGV);
}
}
init_run_jobs();
while($args = <STDIN>) {
my $cmd_line = generate_command_line($command, $args);
queue_job($processes, $cmd_line);
}
drain_job_queue();
#
# Generating the command line
#
sub generate_command_line {
my $command = shift;
my $line = shift;
chomp($line);
my ($job_line,$arg);
if($Global::input_is_filename) {
($line) = (shell_quote($line));
}
if($command) {
$job_line = $command;
$arg = $line;
if($job_line =~ s/{}/$arg/g) {
# substituted {} with args
} else {
# append args
$job_line .= " $arg";
}
} else {
$job_line = $line;
}
return $job_line;
}
sub shell_quote {
# Quote the string so shell will not expand any special chars
my (@strings) = (@_);
my $arg;
for $arg (@strings) {
# what is the right thing to do about '-' at start of line?
# maybe substitute with './'
# so it is not regarded as -option.
$arg =~ s/\\/\\\\/g;
$arg =~ s/([\#\?\`\(\)\*\>\<\~\|\; \"\!\$\&\'])/\\$1/g;
$arg =~ s/([\002-\011\013-\032])/\\$1/g;
$arg =~ s/([\n])/'\n'/g; # filenames with '\n' is quoted using \'
}
return (@strings);
}
#
# Number of processes
#
sub compute_number_of_processes {
my $opt_j = shift;
my $processes = 0;
if(defined $opt_j) {
if($opt_j =~ /^\+(\d+)$/) {
# E.g. -j +2
my $j = $1;
$processes = $j + no_of_cpus();
} elsif ($opt_j =~ /^-(\d+)$/) {
# E.g. -j -2
my $j = $1;
$processes = no_of_cpus() - $j;
} elsif ($opt_j =~ /^(\d+)\%$/) {
my $j = $1;
$processes = no_of_cpus() * $j / 100;
} elsif ($opt_j =~ /^(\d+)$/) {
$processes = $1;
} else {
die $::Usage;
}
if($processes < 1) {
$processes = 1;
}
}
$Global::debug and print "Computed processes: ".(int $processes)."\n";
return int $processes;
}
sub no_of_cpus {
my $no_of_cpus =
(no_of_cpus_gnu_linux() ||
no_of_cpus_solaris());
if($no_of_cpus) {
return $no_of_cpus;
} else {
warn("Cannot figure out no of cpus. Using 1");
return 1;
}
}
sub no_of_cpus_gnu_linux {
my $no_of_cpus;
if(-e "/proc/cpuinfo") {
$no_of_cpus = 0;
open(IN,"cat /proc/cpuinfo|") || return undef;
while(<IN>) {
/^processor.*[:]/ and $no_of_cpus++;
}
close IN;
}
return $no_of_cpus;
}
sub no_of_cpus_solaris {
if(-x "/usr/sbin/psrinfo") {
my @psrinfo = `/usr/sbin/psrinfo`;
if($#psrinfo >= 0) {
return $#psrinfo +1;
}
}
if(-x "/usr/sbin/prtconf") {
my @prtconf = `/usr/sbin/prtconf | grep cpu..instance`;
if($#prtconf >= 0) {
return $#prtconf +1;
}
}
return undef;
}
#
# Running and printing the jobs
#
sub init_run_jobs {
# Remember the original STDOUT and STDERR
open $Global::original_stdout, ">&STDOUT" or die "Can't dup STDOUT: $!";
open $Global::original_stderr, ">&STDERR" or die "Can't dup STDERR: $!";
$Global::running_jobs=0;
}
sub queue_job {
my $processes = shift;
my $command = shift;
push @Global::command, $command;
if($Global::running_jobs <= $processes) {
$Global::debug and print "queing $command\n";
start_another_job();
$Global::debug and print "queed $command\n";
}
}
sub drain_job_queue {
while(1) {
if($Global::running_jobs == 0) { last }
$Global::debug and print "jobs running: $Global::running_jobs\n";
sleep 1;
}
}
sub run_jobs {
# Run the jobs in @Global::command with $processes simultaneously
my $processes = shift;
for my $i (1..$processes) {
# Start $processes jobs.
# When a job dies, the handler will take care of starting another
start_another_job();
}
while(1) {
if($Global::running_jobs == 0) { last }
$Global::debug and print "jobs running: $Global::running_jobs\n";
sleep 1;
}
}
sub start_another_job {
# Grab a job from @Global::command, start it
# and remember the pid, the STDOUT and the STDERR handles
# If no more jobs: do nothing
my $command = shift @Global::command;
if(defined $command) {
DoNotReap();
my %jobinfo = start_job($command);
$Global::running{$jobinfo{"pid"}} = \%jobinfo;
ReapIfNeeded();
}
}
sub start_job {
# Setup STDOUT and STDERR for a job and start it.
my $command = shift;
my ($pid,$out,$err,%out,%err,$outname,$errname,$name);
if($Global::grouped) {
# To group we create temporary files for STDOUT and STDERR
# Filehandles are global, so to not overwrite the filehandles use a hash with new keys
# To avoid the cleanup unlink the files immediately (but keep them open)
$outname = ++$Global::TmpFilename;
($out{$outname},$name) = tempfile(SUFFIX => ".par");
unlink $name;
$errname = ++$Global::TmpFilename;
($err{$errname},$name) = tempfile(SUFFIX => ".par");
unlink $name;
open STDOUT, '>&', $out{$outname} or die "Can't redirect STDOUT: $!";
open STDERR, '>&', $err{$errname} or die "Can't dup STDOUT: $!";
}
$Global::debug and print "starting: $command\n";
if($Global::verbose and not $Global::grouped) {
print STDOUT $command,"\n";
}
$Global::running_jobs++;
$pid = open3(gensym, ">&STDOUT", ">&STDERR", $command);
open STDOUT, ">&", $Global::original_stdout or die "Can't dup \$oldout: $!";
open STDERR, ">&", $Global::original_stderr or die "Can't dup \$oldout: $!";
if($Global::grouped) {
return ("pid" => $pid,
"out" => $out{$outname},
"err" => $err{$errname},
"command" => $command);
} else {
return ("pid" => $pid, "command" => $command);
}
}
sub print_job {
# Print the output of the jobs
# Only relevant for grouping
$Global::grouped or return;
my $fhs = shift;
my $out = $fhs->{out};
my $err = $fhs->{err};
my $command = $fhs->{command};
$Global::debug and print ">>job\n";
if($Global::verbose and $Global::grouped) {
print STDOUT $command,"\n";
# If STDOUT and STDERR is merged, we want the command to be printed first
# so flush to avoid STDOUT being buffered
flush STDOUT;
}
seek $_, 0, 0 for $out, $err;
if($Global::debug) {
while( <$err> ) { print STDERR "ERR: $_" }
while( <$out> ) { print STDOUT "OUT: $_" }
} else {
while( <$err> ) { print STDERR }
while( <$out> ) { print STDOUT }
}
$Global::debug and print "<<job\n";
close $out;
close $err;
}
#
# Signal handling stuff
#
sub CountSigChild {
$Global::SigChildCaught++;
}
sub DoNotReap {
# This will postpone SIGCHILD for sections that cannot be distracted by a dying child
# (Racecondition)
$SIG{CHLD} = \&CountSigChild;
}
sub ReapIfNeeded {
# Do the postponed SIGCHILDs if any and re-install normal reaper for SIGCHILD
# (Racecondition)
if($Global::SigChildCaught) {
$Global::SigChildCaught = 0;
Reaper();
}
$SIG{CHLD} = \&Reaper;
}
sub Reaper {
# A job finished.
# Print the output.
# Start another job
DoNotReap();
my $stiff;
$Global::debug and print "Reaper called\n";
while (($stiff = waitpid(-1, &WNOHANG)) > 0) {
print_job($Global::running{$stiff});
delete $Global::running{$stiff};
$Global::running_jobs--;
start_another_job();
}
ReapIfNeeded();
}
#
# Debugging
#
sub my_dump {
my @dump_this = (@_);
eval "use Data::Dump qw(dump);";
if ($@) {
# Data::Dump not installed
eval "use Data::Dumper;";
if ($@) {
my $err = "Neither Data::Dump nor Data::Dumper is installed\n".
"Not dumping output\n";
print STDERR $err;
return $err;
} else {
return Dumper(@dump_this);
}
} else {
eval "use Data::Dump qw(dump);";
return (Data::Dump::dump(@dump_this));
}
}
# Keep perl -w happy
$main::opt_u = $main::opt_c = $main::opt_f = $main::opt_q =
$main::opt_0 = $main::opt_s = $main::opt_v = $main::opt_g =
$main::opt_j = $main::opt_d=1;

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.if \n(.H>23 .if \n(.V>19 \
\{\
. ds : e
. ds 8 ss
. ds o a
. ds d- d\h'-1'\(ga
. ds D- D\h'-1'\(hy
. ds th \o'bp'
. ds Th \o'LP'
. ds ae ae
. ds Ae AE
.\}
.rm #[ #] #H #V #F C
.\" ========================================================================
.\"
.IX Title "PARALLEL 1"
.TH PARALLEL 1 "2007-09-10" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
parallel \- build and execute command lines from standard input in parallel
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBparallel\fR [options] [command [arguments]] < list_of_arguments
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
For each line of input \fBparallel\fR will execute \fBcommand\fR with the
line as arguments. If no \fBcommand\fR is given the line of input is
executed. \fBparallel\fR can often be used as a substitute for \fBxargs\fR
or \fBcat | sh\fR.
.PP
Several lines will be run in parallel.
.IP "\fIcommand\fR" 9
.IX Item "command"
Command to execute. If \fBcommand\fR or the following arguments contain {}
every instance will be substituted with the input line. Setting a
command also invokes \fB\-f\fR.
.Sp
If \fBcommand\fR is given, \fBparallel\fR will behave similar to \fBxargs\fR. If
\&\fBcommand\fR is not given \fBparallel\fR will behave similar to \fBcat | sh\fR.
.IP "\fI\-0\fR" 9
.IX Item "-0"
Use \s-1NUL\s0 as delimiter. Normally input lines will end in \en
(newline). If they end in \e0 (\s-1NUL\s0), then use this option. It is useful
for processing filenames that may contain \en (newline).
.IP "\fB\-c\fR" 9
.IX Item "-c"
Line is a command. The input line contains more than one argument or
the input line needs to be evaluated by the shell. This is the default
if \fBcommand\fR is not set. Can be reversed with \fB\-f\fR.
.IP "\fB\-f\fR" 9
.IX Item "-f"
Line is a filename. The input line contains a filename that will be
quoted so it is not evaluated by the shell. This is the default if
\&\fBcommand\fR is set. Can be reversed with \fB\-c\fR.
.IP "\fB\-g\fR" 9
.IX Item "-g"
Group output. Output from each jobs is grouped together and is only
printed when the command is finished. \s-1STDERR\s0 first followed by \s-1STDOUT\s0.
\&\fB\-g\fR is the default. Can be reversed with \fB\-u\fR.
.IP "\fB\-j\fR \fIN\fR" 9
.IX Item "-j N"
Run N jobs in parallel. Default is 10.
.IP "\fB\-j\fR +\fIN\fR" 9
.IX Item "-j +N"
Add N to the number of CPUs. Run this many jobs in parallel. For
compute intensive jobs \fI\-j +0\fR is useful as it will run
number-of-cpus jobs in parallel.
.IP "\fB\-j\fR \-\fIN\fR" 9
.IX Item "-j -N"
Subtract N from the number of CPUs. Run this many jobs in parallel.
If the evaluated number is less than 1 then 1 will be used.
.IP "\fB\-j\fR \fIN\fR%" 9
.IX Item "-j N%"
Multiply N% with the number of CPUs. Run this many jobs in parallel.
If the evaluated number is less than 1 then 1 will be used.
.IP "\fB\-q\fR" 9
.IX Item "-q"
Quote \fBcommand\fR. This will quote the command line so special
characters are not interpreted by the shell. See the section
\&\s-1QUOTING\s0. Most people will never need this. Quoting is disabled by
default.
.IP "\fB\-s\fR" 9
.IX Item "-s"
Silent. The job to be run will not be printed. This is the default.
Can be reversed with \fB\-v\fR.
.IP "\fB\-u\fR" 9
.IX Item "-u"
Ungroup output. Output is printed as soon as possible. This may cause
output from different commands to be mixed. Can be reversed with \fB\-g\fR.
.IP "\fB\-v\fR" 9
.IX Item "-v"
Verbose. Print the job to be run. Can be reversed with \fB\-s\fR.
.SH "EXAMPLE 1: Working as cat | sh. Ressource inexpensive jobs and evaluation"
.IX Header "EXAMPLE 1: Working as cat | sh. Ressource inexpensive jobs and evaluation"
\&\fBparallel\fR can work similar to \fBcat | sh\fR.
.PP
A ressource inexpensive job is a job that takes very little \s-1CPU\s0, disk
I/O and network I/O. Ping is an example of a ressource inexpensive
job. wget is too \- if the webpages are small.
.PP
The content of the file jobs_to_run:
.PP
.Vb 7
\& ping \-c 1 10.0.0.1
\& wget http://status\-server/status.cgi?ip=10.0.0.1
\& ping \-c 1 10.0.0.2
\& wget http://status\-server/status.cgi?ip=10.0.0.2
\& ...
\& ping \-c 1 10.0.0.255
\& wget http://status\-server/status.cgi?ip=10.0.0.255
.Ve
.PP
To run 100 processes simultaneously do:
.PP
\&\fBparallel \-j 100 < jobs_to_run\fR
.PP
As there is not a \fBcommand\fR the option \fB\-c\fR is default because the
jobs needs to be evaluated by the shell.
.SH "EXAMPLE 2: Working as xargs \-n1. Argument appending"
.IX Header "EXAMPLE 2: Working as xargs -n1. Argument appending"
\&\fBparallel\fR can work similar to \fBxargs \-n1\fR.
.PP
To output all html files run:
.PP
\&\fBfind . \-name '*.html' | parallel cat\fR
.PP
As there is a \fBcommand\fR the option \fB\-f\fR is default because the
filenames needs to be protected from the shell in case a filename
contains special characters.
.SH "EXAMPLE 3: Compute intensive jobs and substitution"
.IX Header "EXAMPLE 3: Compute intensive jobs and substitution"
If ImageMagick is installed this will generate a thumbnail of a jpg
file:
.PP
\&\fBconvert \-geometry 120 foo.jpg thumb_foo.jpg\fR
.PP
If the system has more than 1 \s-1CPU\s0 it can be run with number-of-cpus
jobs in parallel (\-j +0). This will do that for all jpg files in a
directory:
.PP
\&\fBls *.jpg | parallel \-j +0 convert \-geometry 120 {} thumb_{}\fR
.PP
To do it recursively use \fBfind\fR:
.PP
\&\fBfind . \-name '*.jpg' | parallel \-j +0 convert \-geometry 120 {} {}_thumb.jpg\fR
.PP
Notice how the argument has to start with {} as {} will include path
(e.g. running \fBconvert \-geometry 120 ./foo/bar.jpg
thumb_./foo/bar.jpg\fR would clearly be wrong). It will result in files
like ./foo/bar.jpg_thumb.jpg. If that is not wanted this can fix it:
.PP
.Vb 3
\& find . \-name '*.jpg' | \e
\& perl \-pe 'chomp; $a=$_; s:/([^/]+)$:/thumb_$1:; $_="convert \-geometry 120 $a $_\en"' | \e
\& parallel \-c \-j +0
.Ve
.PP
Unfortunately this will not work if the filenames contain special
characters (such as space or quotes). If you have \fBren\fR installed this
is a better solution:
.PP
.Vb 2
\& find . \-name '*.jpg' | parallel \-j +0 convert \-geometry 120 {} {}_thumb.jpg
\& find . \-name '*_thumb.jpg' | ren 's:/([^/]+)_thumb.jpg$:/thumb_$1:'
.Ve
.SH "EXAMPLE 4: Substitution and redirection"
.IX Header "EXAMPLE 4: Substitution and redirection"
This will compare all files in the dir to the file foo and save the
diffs in corresponding .diff files:
.PP
\&\fBls | parallel diff {} foo "\fR>\fB"{}.diff\fR
.PP
Quoting of > is necessary to postpone the redirection. Another
solution is to quote the whole command:
.PP
\&\fBls | parallel "diff {} foo \fR>\fB{}.diff"\fR
.SH "EXAMPLE 5: Composed commands"
.IX Header "EXAMPLE 5: Composed commands"
A job can consist of several commands. This will print the number of
files in each directory:
.PP
\&\fBls | parallel 'echo \-n {}\*(L" \*(R"; ls {}|wc \-l'\fR
.SH "QUOTING"
.IX Header "QUOTING"
For more advanced use quoting may be an issue. The following will
print the filename for each line that has exactly 2 columns:
.PP
\&\fBperl \-ne '/^\eS+\es+\eS+$/ and print \f(CB$ARGV\fB,\*(L"\en\*(R"' file\fR
.PP
This can be done by \fBparallel\fR using:
.PP
\&\fBls | parallel \*(L"perl \-ne '/^\e\eS+\e\es+\e\eS+$/ and print \e$ARGV,\e\*(R"\e\en\e\*(L"'\*(R"\fR
.PP
Notice how \e's, "'s, and $'s needs to be quoted. \fBparallel\fR can do
the quoting by using option \fB\-q\fR:
.PP
\&\fBls | parallel \-q perl \-ne '/^\eS+\es+\eS+$/ and print \f(CB$ARGV\fB,\*(L"\en\*(R"'\fR
.PP
However, this means you cannot make the shell interpret special
characters. For example this \fBwill not work\fR:
.PP
\&\fBls | parallel \-q "diff {} foo \fR>\fB{}.diff"\fR
.PP
because > needs to be interpreted by the shell.
.PP
\&\fBConclusion\fR: To avoid dealing with the quoting problems it may be
easier just to write a small script and have \fBparallel\fR call that
script.
.SH "WHY NOT xargs/find \-exec"
.IX Header "WHY NOT xargs/find -exec"
\&\fBxargs\fR and \fBfind \-exec\fR offer some of the same possibilites as
\&\fBparallel\fR. However, the support for running jobs in parallel is
limited.
.PP
\&\fBfind \-exec\fR only works on files. So processing other input (such as
hosts or URLs) will require creating these inputs as files.
.PP
\&\fBxargs\fR deals badly with special characters (such as space, ' and ") unless
\&\fB\-0\fR is specified. Many input generators are not optimized for using
\&\fB\s-1NUL\s0\fR as separator but are optimized for \fBnewline\fR as separator. E.g
\&\fBhead\fR, \fBtail\fR, \fBawk\fR, \fBls\fR, \fBecho\fR, \fBsed\fR, \fBtar \-v\fR, \fBperl\fR
(\-0 and \e0 instead of \en), \fBlocate\fR (requires using \-0), \fBfind\fR
(requires using \-print0), \fBgrep\fR (requires user to use \-z or \-Z).
.PP
An example would be to list the number of lines in files containing GNU/Linux:
.PP
find . \-type f \-print0 | xargs \-0 grep \-Zl GNU/Linux | xargs \-0n1 wc \-l
.PP
find . \-type f | parallel grep \-l GNU/Linux | parallel wc \-l
.PP
In the \fBxargs\fR version the user will have to remember \fB\-Z\fR for \fBgrep\fR.
.PP
\&\fBparallel\fR offers the option \fB\-0\fR for \fB\s-1NUL\s0\fR separated strings in the
rare event that the input strings contain \en (newline).
.SH "BUGS"
.IX Header "BUGS"
Filenames beginning with '\-' can cause some commands to give
unexpected results, as it will often be interpreted as an option.
.SH "REPORTING BUGS"
.IX Header "REPORTING BUGS"
Report bugs to <bug\-parallel@tange.dk>.
.SH "AUTHOR"
.IX Header "AUTHOR"
Copyright (C) 2007 Ole Tange, http://ole.tange.dk
.SH "LICENSE"
.IX Header "LICENSE"
Copyright (C) 2007 Free Software Foundation, Inc.
.PP
This program is free software; you can redistribute it and/or modify
it under the terms of the \s-1GNU\s0 General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
.PP
This program is distributed in the hope that it will be useful,
but \s-1WITHOUT\s0 \s-1ANY\s0 \s-1WARRANTY\s0; without even the implied warranty of
\&\s-1MERCHANTABILITY\s0 or \s-1FITNESS\s0 \s-1FOR\s0 A \s-1PARTICULAR\s0 \s-1PURPOSE\s0. See the
\&\s-1GNU\s0 General Public License for more details.
.PP
You should have received a copy of the \s-1GNU\s0 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
.SH "DEPENDENCIES"
.IX Header "DEPENDENCIES"
\&\fBparallel\fR uses Perl, and the Perl modules Getopt::Std, IPC::Open3,
Symbol, IO::File, \s-1POSIX\s0, and File::Temp.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBfind\fR(1), \fBxargs\fR(1)

3
unittest/Fixed.sh Normal file
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#!/bin/bash
ls tests-to-run/test*.sh | perl -pe 's:(.*/(.*)).sh:cp actual-results/$2 wanted-results/$2:' | sh -x

4
unittest/Start.sh Normal file
View file

@ -0,0 +1,4 @@
#!/bin/bash
ls -t tests-to-run/test*.sh | perl -pe 's:(.*/(.*)).sh:sh $1.sh > actual-results/$2; diff -Naur wanted-results/$2 actual-results/$2:' | sh -x

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@ -0,0 +1,481 @@
1-col.txt
2-col.txt
bar
bar
foo
foo
foo2
ls 1-col.txt
ls 2-col.txt
ls a
ls b
ls 1-col.txt
ls 2-col.txt
ls a
ls b
1 1 10
1 1 10
1 1 15
1 1 15
1-col.txt
1-col.txt.diff
2-col.txt
2-col.txt.diff
5 5 30
7 7 45
a
b
ls 1-col.txt.diff|wc;echo 1-col.txt.diff
ls 1-col.txt|wc;echo 1-col.txt
ls 2-col.txt.diff|wc;echo 2-col.txt.diff
ls 2-col.txt|wc;echo 2-col.txt
ls a|wc;echo a
ls b|wc;echo b
1 1-col.txt
1 1-col.txt.diff
1 2-col.txt
1 2-col.txt.diff
1 more_than_5000-5901
1 more_than_5000-5902
1 more_than_5000-5903
1 more_than_5000-5904
1 more_than_5000-5905
1 more_than_5000-5906
1 more_than_5000-5907
1 more_than_5000-5908
1 more_than_5000-5909
1 more_than_5000-5910
1 more_than_5000-5911
1 more_than_5000-5912
1 more_than_5000-5913
1 more_than_5000-5914
1 more_than_5000-5915
1 more_than_5000-5916
1 more_than_5000-5917
1 more_than_5000-5918
1 more_than_5000-5919
1 more_than_5000-5920
1 more_than_5000-5921
1 more_than_5000-5922
1 more_than_5000-5923
1 more_than_5000-5924
1 more_than_5000-5925
1 more_than_5000-5926
1 more_than_5000-5927
1 more_than_5000-5928
1 more_than_5000-5929
1 more_than_5000-5930
1 more_than_5000-5931
1 more_than_5000-5932
1 more_than_5000-5933
1 more_than_5000-5934
1 more_than_5000-5935
1 more_than_5000-5936
1 more_than_5000-5937
1 more_than_5000-5938
1 more_than_5000-5939
1 more_than_5000-5940
1 more_than_5000-5941
1 more_than_5000-5942
1 more_than_5000-5943
1 more_than_5000-5944
1 more_than_5000-5945
1 more_than_5000-5946
1 more_than_5000-5947
1 more_than_5000-5948
1 more_than_5000-5949
1 more_than_5000-5950
1 more_than_5000-5951
1 more_than_5000-5952
1 more_than_5000-5953
1 more_than_5000-5954
1 more_than_5000-5955
1 more_than_5000-5956
1 more_than_5000-5957
1 more_than_5000-5958
1 more_than_5000-5959
1 more_than_5000-5960
1 more_than_5000-5961
1 more_than_5000-5962
1 more_than_5000-5963
1 more_than_5000-5964
1 more_than_5000-5965
1 more_than_5000-5966
1 more_than_5000-5967
1 more_than_5000-5968
1 more_than_5000-5969
1 more_than_5000-5970
1 more_than_5000-5971
1 more_than_5000-5972
1 more_than_5000-5973
1 more_than_5000-5974
1 more_than_5000-5975
1 more_than_5000-5976
1 more_than_5000-5977
1 more_than_5000-5978
1 more_than_5000-5979
1 more_than_5000-5980
1 more_than_5000-5981
1 more_than_5000-5982
1 more_than_5000-5983
1 more_than_5000-5984
1 more_than_5000-5985
1 more_than_5000-5986
1 more_than_5000-5987
1 more_than_5000-5988
1 more_than_5000-5989
1 more_than_5000-5990
1 more_than_5000-5991
1 more_than_5000-5992
1 more_than_5000-5993
1 more_than_5000-5994
1 more_than_5000-5995
1 more_than_5000-5996
1 more_than_5000-5997
1 more_than_5000-5998
1 more_than_5000-5999
1 more_than_5000-6000
5 b
7 a
1 1-col.txt
1 1-col.txt.diff
1 2-col.txt
1 2-col.txt.diff
1 more_than_5000-5901
1 more_than_5000-5902
1 more_than_5000-5903
1 more_than_5000-5904
1 more_than_5000-5905
1 more_than_5000-5906
1 more_than_5000-5907
1 more_than_5000-5908
1 more_than_5000-5909
1 more_than_5000-5910
1 more_than_5000-5911
1 more_than_5000-5912
1 more_than_5000-5913
1 more_than_5000-5914
1 more_than_5000-5915
1 more_than_5000-5916
1 more_than_5000-5917
1 more_than_5000-5918
1 more_than_5000-5919
1 more_than_5000-5920
1 more_than_5000-5921
1 more_than_5000-5922
1 more_than_5000-5923
1 more_than_5000-5924
1 more_than_5000-5925
1 more_than_5000-5926
1 more_than_5000-5927
1 more_than_5000-5928
1 more_than_5000-5929
1 more_than_5000-5930
1 more_than_5000-5931
1 more_than_5000-5932
1 more_than_5000-5933
1 more_than_5000-5934
1 more_than_5000-5935
1 more_than_5000-5936
1 more_than_5000-5937
1 more_than_5000-5938
1 more_than_5000-5939
1 more_than_5000-5940
1 more_than_5000-5941
1 more_than_5000-5942
1 more_than_5000-5943
1 more_than_5000-5944
1 more_than_5000-5945
1 more_than_5000-5946
1 more_than_5000-5947
1 more_than_5000-5948
1 more_than_5000-5949
1 more_than_5000-5950
1 more_than_5000-5951
1 more_than_5000-5952
1 more_than_5000-5953
1 more_than_5000-5954
1 more_than_5000-5955
1 more_than_5000-5956
1 more_than_5000-5957
1 more_than_5000-5958
1 more_than_5000-5959
1 more_than_5000-5960
1 more_than_5000-5961
1 more_than_5000-5962
1 more_than_5000-5963
1 more_than_5000-5964
1 more_than_5000-5965
1 more_than_5000-5966
1 more_than_5000-5967
1 more_than_5000-5968
1 more_than_5000-5969
1 more_than_5000-5970
1 more_than_5000-5971
1 more_than_5000-5972
1 more_than_5000-5973
1 more_than_5000-5974
1 more_than_5000-5975
1 more_than_5000-5976
1 more_than_5000-5977
1 more_than_5000-5978
1 more_than_5000-5979
1 more_than_5000-5980
1 more_than_5000-5981
1 more_than_5000-5982
1 more_than_5000-5983
1 more_than_5000-5984
1 more_than_5000-5985
1 more_than_5000-5986
1 more_than_5000-5987
1 more_than_5000-5988
1 more_than_5000-5989
1 more_than_5000-5990
1 more_than_5000-5991
1 more_than_5000-5992
1 more_than_5000-5993
1 more_than_5000-5994
1 more_than_5000-5995
1 more_than_5000-5996
1 more_than_5000-5997
1 more_than_5000-5998
1 more_than_5000-5999
1 more_than_5000-6000
5 b
7 a
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 1-col.txt
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 1-col.txt.diff
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 2-col.txt
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 2-col.txt.diff
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' a
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' b
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5901
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5902
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5903
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5904
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5905
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5906
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5907
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5908
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5909
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5910
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5911
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5912
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5913
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5914
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5915
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5916
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5917
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5918
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5919
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5920
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5921
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5922
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5923
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5924
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5925
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5926
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5927
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5928
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5929
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5930
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5931
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5932
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5933
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5934
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5935
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5936
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5937
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5938
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5939
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5940
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5941
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5942
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5943
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5944
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5945
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5946
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5947
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5948
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5949
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5950
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5951
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5952
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5953
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5954
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5955
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5956
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5957
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5958
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5959
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5960
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5961
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5962
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5963
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5964
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5965
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5966
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5967
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5968
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5969
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5970
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5971
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5972
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5973
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5974
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5975
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5976
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5977
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5978
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5979
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5980
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5981
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5982
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5983
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5984
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5985
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5986
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5987
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5988
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5989
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5990
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5991
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5992
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5993
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5994
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5995
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5996
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5997
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5998
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5999
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-6000
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 1-col.txt
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 1-col.txt.diff
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 2-col.txt
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 2-col.txt.diff
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" a
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" b
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5901
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5902
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5903
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5904
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5905
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5906
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5907
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5908
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5909
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5910
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5911
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5912
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5913
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5914
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5915
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5916
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5917
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5918
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5919
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5920
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5921
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5922
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5923
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5924
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5925
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5926
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5927
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5928
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5929
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5930
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5931
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5932
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5933
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5934
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5935
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5936
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5937
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5938
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5939
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5940
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5941
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5942
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5943
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5944
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5945
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5946
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5947
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5948
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5949
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5950
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5951
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5952
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5953
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5954
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5955
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5956
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5957
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5958
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5959
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5960
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5961
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5962
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5963
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5964
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5965
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5966
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5967
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5968
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5969
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5970
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5971
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5972
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5973
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5974
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5975
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5976
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5977
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5978
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5979
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5980
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5981
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5982
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5983
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5984
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5985
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5986
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5987
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5988
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5989
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5990
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5991
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5992
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5993
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5994
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5995
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5996
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5997
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5998
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5999
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-6000

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@ -0,0 +1,13 @@
.
./中国 (Zhōngguó)
./中国 (Zhōngguó)/thumb_China's (中国) road.jpg
./中国 (Zhōngguó)/China's (中国) road.jpg
./a
./a/foo2
./a/foo
./a/bar
./2-col.txt
./b
./b/foo
./b/bar
./1-col.txt

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@ -0,0 +1,50 @@
a 1
a 10
a 11
a 12
a 13
a 14
a 15
a 16
a 17
a 18
a 19
a 2
a 20
a 21
a 22
a 23
a 24
a 25
a 3
a 4
a 5
a 6
a 7
a 8
a 9
b 1
b 10
b 11
b 12
b 13
b 14
b 15
b 16
b 17
b 18
b 19
b 2
b 20
b 21
b 22
b 23
b 24
b 25
b 3
b 4
b 5
b 6
b 7
b 8
b 9

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@ -0,0 +1,8 @@
b801e53463bbe25ae078b5fa2652263d -
There are 917 dirs with 916 files
Removing files
982bd9f76f05cdd409ca0e8ceced92c7 -
There are 917 dirs with files
Removing dirs
eb6ee16fe9acc502c3123567cc789cbf -
There are 1 dirs with files

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@ -0,0 +1 @@
There are 6246 dirs with

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@ -0,0 +1,100 @@
a 1
a 10
a 11
a 12
a 13
a 14
a 15
a 16
a 17
a 18
a 19
a 2
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a 21
a 22
a 23
a 24
a 25
a 3
a 4
a 5
a 6
a 7
a 8
a 9
b 1
b 10
b 11
b 12
b 13
b 14
b 15
b 16
b 17
b 18
b 19
b 2
b 20
b 21
b 22
b 23
b 24
b 25
b 3
b 4
b 5
b 6
b 7
b 8
b 9
a 1
a 10
a 11
a 12
a 13
a 14
a 15
a 16
a 17
a 18
a 19
a 2
a 20
a 21
a 22
a 23
a 24
a 25
a 3
a 4
a 5
a 6
a 7
a 8
a 9
b 1
b 10
b 11
b 12
b 13
b 14
b 15
b 16
b 17
b 18
b 19
b 2
b 20
b 21
b 22
b 23
b 24
b 25
b 3
b 4
b 5
b 6
b 7
b 8
b 9

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@ -0,0 +1 @@
a

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@ -0,0 +1,4 @@
a b
c d
efg
h i j

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@ -0,0 +1 @@
bar

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@ -0,0 +1 @@
foo

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@ -0,0 +1 @@
foo

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@ -0,0 +1 @@
bar

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@ -0,0 +1 @@
foo

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@ -0,0 +1 @@
a

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@ -0,0 +1,4 @@
a b
c d
efg
h i j

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@ -0,0 +1 @@
bar

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@ -0,0 +1 @@
foo

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@ -0,0 +1 @@
foo

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@ -0,0 +1 @@
bar

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@ -0,0 +1 @@
foo

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@ -0,0 +1,25 @@
#!/bin/bash
rm -rf tmp 2>/dev/null
cp -a input-files/testdir tmp
cd tmp
find . -name '*.jpg' | parallel -j +0 convert -geometry 120 {} {}_thumb.jpg
find . -name '*_thumb.jpg' | ren 's:/([^/]+)_thumb.jpg$:/thumb_$1:'
ls | grep -v CVS | parallel ls | grep -v CVS | sort
ls | grep -v CVS | parallel echo ls | grep -v CVS | sort
ls | grep -v CVS | parallel -j 1 echo ls | grep -v CVS | sort
find -type f | grep -v CVS | parallel diff {} a/foo ">"{}.diff | grep -v CVS | sort
ls | grep -v CVS | parallel -vg "ls {}|wc;echo {}" | grep -v CVS | sort
perl -e 'print map {"more_than_5000-$_\n" } (1..6000)' | parallel -j 100 touch | sort
perl -e 'print map {"more_than_5000-$_\n" } (1..5900)' | parallel -j 100 rm | sort
ls | grep -v CVS | parallel -j500 'sleep 1; ls {} | perl -ne "END{print $..\" {}\n\"}"' | grep -v CVS | sort
ls | grep -v CVS | parallel -gj500 'sleep 1; ls {} | perl -ne "END{print $..\" {}\n\"}"' | grep -v CVS | sort
ls | grep -v CVS | parallel -g "perl -ne '/^\\S+\\s+\\S+$/ and print \$ARGV,\"\\n\"'" | grep -v CVS | sort
ls | grep -v CVS | parallel -vg "perl -ne '/^\\S+\\s+\\S+$/ and print \$ARGV,\"\\n\"'" | grep -v CVS | sort
ls | grep -v CVS | parallel -qg perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' | grep -v CVS | sort
ls | grep -v CVS | parallel -qvg perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' | grep -v CVS | sort
cd ..
rm -rf tmp

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@ -0,0 +1,13 @@
#!/bin/bash
rm -rf tmp 2>/dev/null
cp -a input-files/testdir2 tmp
cd tmp
find . -name '*.jpg' | parallel -j +0 convert -geometry 120 {} {}_thumb.jpg
find . -name '*_thumb.jpg' | ren 's:/([^/]+)_thumb.jpg$:/thumb_$1:'
find |grep -v CVS
cd ..
rm -rf tmp

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@ -0,0 +1,11 @@
#!/bin/bash
rm -rf tmp 2>/dev/null
cp -a input-files/testdir2 tmp
cd tmp
# tests if -c (cat | sh) works
perl -e 'for(1..25) {print "echo a $_; echo b $_\n"}' | parallel -c 2>&1 | sort
cd ..
rm -rf tmp

View file

@ -0,0 +1,33 @@
#!/bin/bash
rm -rf tmp 2>/dev/null
cd input-files
tar xjf random_dirs_no_newline.tar.bz2
cd ..
cp -a input-files/random_dirs_no_newline tmp
cd tmp
# tests if special dir names causes problems
ls | parallel -v touch -- {}/abc-{}-{} 2>&1 | perl -e 'print sort (<>)' | md5sum
echo -n 'There are '
find . -type d -print0 | perl -0 -ne '$a++;END{print $a}'
echo -n ' dirs with '
find . -type f -print0 | perl -0 -ne '$a++;END{print $a}'
echo ' files'
echo 'Removing files'
ls | parallel -v rm -- {}/abc-{}-{} 2>&1 | perl -e 'print sort (<>)' | md5sum
echo -n 'There are '
find . -type d -print0 | perl -0 -ne '$a++;END{print $a}'
echo -n ' dirs with '
find . -type f -print0 | perl -0 -ne '$a++;END{print $a}'
echo ' files'
echo 'Removing dirs'
ls | parallel -v rmdir -- {} 2>&1 | perl -e 'print sort (<>)' | md5sum
echo -n 'There are '
find . -type d -print0 | perl -0 -ne '$a++;END{print $a}'
echo -n ' dirs with '
find . -type f -print0 | perl -0 -ne '$a++;END{print $a}'
echo ' files'
cd ..
rm -rf tmp

View file

@ -0,0 +1,36 @@
#!/bin/bash
rm -rf tmp 2>/dev/null
cd input-files
tar xjf random_dirs_with_newline.tar.bz2
cd ..
cp -a input-files/random_dirs_with_newline tmp
cd tmp
# tests if special dir names causes problems
find . -type d -print0 | perl -0 -pe 's:^./::' | parallel -0 -v touch -- {}/abc-{}-{} 2>&1 \
| perl -e 'print sort (<>)' | md5sum
echo -n 'There are '
find . -type d -print0 | perl -0 -ne '$a++;END{print $a}'
echo -n ' dirs with '
find . -type f -print0 | perl -0 -ne '$a++;END{print $a}'
echo ' files'
echo 'Removing files'
find . -type d -print0 | perl -0 -pe 's:^./::' | parallel -0 -v rm -- {}/abc-{}-{} 2>&1 \
| perl -e 'print sort (<>)' | md5sum
echo -n 'There are '
find . -type d -print0 | perl -0 -ne '$a++;END{print $a}'
echo -n ' dirs with '
find . -type f -print0 | perl -0 -ne '$a++;END{print $a}'
echo ' files'
echo 'Removing dirs'
find . -type d -print0 | perl -0 -pe 's:^./::' | parallel -0 -v rmdir -- {} 2>&1 \
| perl -e 'print sort (<>)' | md5sum
echo -n 'There are '
find . -type d -print0 | perl -0 -ne '$a++;END{print $a}'
echo -n ' dirs with '
find . -type f -print0 | perl -0 -ne '$a++;END{print $a}'
echo ' files'
cd ..
rm -rf tmp

View file

@ -0,0 +1,14 @@
#!/bin/bash
rm -rf tmp 2>/dev/null
cp -a input-files/testdir2 tmp
cd tmp
# tests if -c (cat | sh) works
perl -e 'for(1..25) {print "echo a $_; echo b $_\n"}' | parallel -c 2>&1 | sort
# tests if -f (xargs) works
perl -e 'for(1..25) {print "a $_\nb $_\n"}' | parallel -f echo 2>&1 | sort
cd ..
rm -rf tmp

View file

@ -0,0 +1,481 @@
1-col.txt
2-col.txt
bar
bar
foo
foo
foo2
ls 1-col.txt
ls 2-col.txt
ls a
ls b
ls 1-col.txt
ls 2-col.txt
ls a
ls b
1 1 10
1 1 10
1 1 15
1 1 15
1-col.txt
1-col.txt.diff
2-col.txt
2-col.txt.diff
5 5 30
7 7 45
a
b
ls 1-col.txt.diff|wc;echo 1-col.txt.diff
ls 1-col.txt|wc;echo 1-col.txt
ls 2-col.txt.diff|wc;echo 2-col.txt.diff
ls 2-col.txt|wc;echo 2-col.txt
ls a|wc;echo a
ls b|wc;echo b
1 1-col.txt
1 1-col.txt.diff
1 2-col.txt
1 2-col.txt.diff
1 more_than_5000-5901
1 more_than_5000-5902
1 more_than_5000-5903
1 more_than_5000-5904
1 more_than_5000-5905
1 more_than_5000-5906
1 more_than_5000-5907
1 more_than_5000-5908
1 more_than_5000-5909
1 more_than_5000-5910
1 more_than_5000-5911
1 more_than_5000-5912
1 more_than_5000-5913
1 more_than_5000-5914
1 more_than_5000-5915
1 more_than_5000-5916
1 more_than_5000-5917
1 more_than_5000-5918
1 more_than_5000-5919
1 more_than_5000-5920
1 more_than_5000-5921
1 more_than_5000-5922
1 more_than_5000-5923
1 more_than_5000-5924
1 more_than_5000-5925
1 more_than_5000-5926
1 more_than_5000-5927
1 more_than_5000-5928
1 more_than_5000-5929
1 more_than_5000-5930
1 more_than_5000-5931
1 more_than_5000-5932
1 more_than_5000-5933
1 more_than_5000-5934
1 more_than_5000-5935
1 more_than_5000-5936
1 more_than_5000-5937
1 more_than_5000-5938
1 more_than_5000-5939
1 more_than_5000-5940
1 more_than_5000-5941
1 more_than_5000-5942
1 more_than_5000-5943
1 more_than_5000-5944
1 more_than_5000-5945
1 more_than_5000-5946
1 more_than_5000-5947
1 more_than_5000-5948
1 more_than_5000-5949
1 more_than_5000-5950
1 more_than_5000-5951
1 more_than_5000-5952
1 more_than_5000-5953
1 more_than_5000-5954
1 more_than_5000-5955
1 more_than_5000-5956
1 more_than_5000-5957
1 more_than_5000-5958
1 more_than_5000-5959
1 more_than_5000-5960
1 more_than_5000-5961
1 more_than_5000-5962
1 more_than_5000-5963
1 more_than_5000-5964
1 more_than_5000-5965
1 more_than_5000-5966
1 more_than_5000-5967
1 more_than_5000-5968
1 more_than_5000-5969
1 more_than_5000-5970
1 more_than_5000-5971
1 more_than_5000-5972
1 more_than_5000-5973
1 more_than_5000-5974
1 more_than_5000-5975
1 more_than_5000-5976
1 more_than_5000-5977
1 more_than_5000-5978
1 more_than_5000-5979
1 more_than_5000-5980
1 more_than_5000-5981
1 more_than_5000-5982
1 more_than_5000-5983
1 more_than_5000-5984
1 more_than_5000-5985
1 more_than_5000-5986
1 more_than_5000-5987
1 more_than_5000-5988
1 more_than_5000-5989
1 more_than_5000-5990
1 more_than_5000-5991
1 more_than_5000-5992
1 more_than_5000-5993
1 more_than_5000-5994
1 more_than_5000-5995
1 more_than_5000-5996
1 more_than_5000-5997
1 more_than_5000-5998
1 more_than_5000-5999
1 more_than_5000-6000
5 b
7 a
1 1-col.txt
1 1-col.txt.diff
1 2-col.txt
1 2-col.txt.diff
1 more_than_5000-5901
1 more_than_5000-5902
1 more_than_5000-5903
1 more_than_5000-5904
1 more_than_5000-5905
1 more_than_5000-5906
1 more_than_5000-5907
1 more_than_5000-5908
1 more_than_5000-5909
1 more_than_5000-5910
1 more_than_5000-5911
1 more_than_5000-5912
1 more_than_5000-5913
1 more_than_5000-5914
1 more_than_5000-5915
1 more_than_5000-5916
1 more_than_5000-5917
1 more_than_5000-5918
1 more_than_5000-5919
1 more_than_5000-5920
1 more_than_5000-5921
1 more_than_5000-5922
1 more_than_5000-5923
1 more_than_5000-5924
1 more_than_5000-5925
1 more_than_5000-5926
1 more_than_5000-5927
1 more_than_5000-5928
1 more_than_5000-5929
1 more_than_5000-5930
1 more_than_5000-5931
1 more_than_5000-5932
1 more_than_5000-5933
1 more_than_5000-5934
1 more_than_5000-5935
1 more_than_5000-5936
1 more_than_5000-5937
1 more_than_5000-5938
1 more_than_5000-5939
1 more_than_5000-5940
1 more_than_5000-5941
1 more_than_5000-5942
1 more_than_5000-5943
1 more_than_5000-5944
1 more_than_5000-5945
1 more_than_5000-5946
1 more_than_5000-5947
1 more_than_5000-5948
1 more_than_5000-5949
1 more_than_5000-5950
1 more_than_5000-5951
1 more_than_5000-5952
1 more_than_5000-5953
1 more_than_5000-5954
1 more_than_5000-5955
1 more_than_5000-5956
1 more_than_5000-5957
1 more_than_5000-5958
1 more_than_5000-5959
1 more_than_5000-5960
1 more_than_5000-5961
1 more_than_5000-5962
1 more_than_5000-5963
1 more_than_5000-5964
1 more_than_5000-5965
1 more_than_5000-5966
1 more_than_5000-5967
1 more_than_5000-5968
1 more_than_5000-5969
1 more_than_5000-5970
1 more_than_5000-5971
1 more_than_5000-5972
1 more_than_5000-5973
1 more_than_5000-5974
1 more_than_5000-5975
1 more_than_5000-5976
1 more_than_5000-5977
1 more_than_5000-5978
1 more_than_5000-5979
1 more_than_5000-5980
1 more_than_5000-5981
1 more_than_5000-5982
1 more_than_5000-5983
1 more_than_5000-5984
1 more_than_5000-5985
1 more_than_5000-5986
1 more_than_5000-5987
1 more_than_5000-5988
1 more_than_5000-5989
1 more_than_5000-5990
1 more_than_5000-5991
1 more_than_5000-5992
1 more_than_5000-5993
1 more_than_5000-5994
1 more_than_5000-5995
1 more_than_5000-5996
1 more_than_5000-5997
1 more_than_5000-5998
1 more_than_5000-5999
1 more_than_5000-6000
5 b
7 a
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 1-col.txt
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 1-col.txt.diff
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 2-col.txt
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' 2-col.txt.diff
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' a
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' b
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5901
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5902
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5903
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5904
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5905
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5906
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5907
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5908
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5909
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5910
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5911
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5912
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5913
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5914
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5915
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5916
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5917
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5918
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5919
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5920
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5921
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5922
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5923
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5924
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5925
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5926
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5927
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5928
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5929
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5930
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5931
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5932
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5933
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5934
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5935
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5936
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5937
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5938
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5939
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5940
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5941
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5942
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5943
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5944
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5945
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5946
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5947
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5948
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5949
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5950
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5951
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5952
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5953
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5954
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5955
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5956
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5957
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5958
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5959
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5960
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5961
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5962
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5963
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5964
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5965
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5966
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5967
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5968
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5969
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5970
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5971
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5972
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5973
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5974
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5975
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5976
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5977
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5978
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5979
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5980
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5981
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5982
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5983
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5984
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5985
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5986
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5987
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5988
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5989
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5990
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5991
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5992
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5993
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5994
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5995
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5996
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5997
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5998
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-5999
perl -ne '/^\S+\s+\S+$/ and print $ARGV,"\n"' more_than_5000-6000
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
1-col.txt.diff
1-col.txt.diff
2-col.txt
2-col.txt
2-col.txt.diff
2-col.txt.diff
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 1-col.txt
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 1-col.txt.diff
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 2-col.txt
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" 2-col.txt.diff
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" a
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" b
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5901
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5902
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5903
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5904
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5905
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5906
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5907
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5908
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5909
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5910
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5911
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5912
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5913
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5914
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5915
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5916
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5917
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5918
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5919
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5920
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5921
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5922
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5923
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5924
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5925
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5926
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5927
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5928
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5929
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5930
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5931
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5932
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5933
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5934
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5935
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5936
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5937
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5938
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5939
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5940
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5941
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5942
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5943
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5944
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5945
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5946
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5947
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5948
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5949
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5950
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5951
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5952
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5953
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5954
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5955
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5956
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5957
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5958
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5959
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5960
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5961
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5962
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5963
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5964
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5965
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5966
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5967
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5968
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5969
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5970
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5971
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5972
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5973
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5974
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5975
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5976
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5977
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5978
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5979
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5980
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5981
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5982
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5983
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5984
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5985
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5986
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5987
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5988
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5989
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5990
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5991
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5992
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5993
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5994
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5995
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5996
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5997
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5998
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-5999
perl -ne /^\\S+\\s+\\S+\$/\ and\ print\ \$ARGV,\"\\n\" more_than_5000-6000

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.
./中国 (Zhōngguó)
./中国 (Zhōngguó)/thumb_China's (中国) road.jpg
./中国 (Zhōngguó)/China's (中国) road.jpg
./a
./a/foo2
./a/foo
./a/bar
./2-col.txt
./b
./b/foo
./b/bar
./1-col.txt

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b801e53463bbe25ae078b5fa2652263d -
There are 917 dirs with 916 files
Removing files
982bd9f76f05cdd409ca0e8ceced92c7 -
There are 917 dirs with files
Removing dirs
eb6ee16fe9acc502c3123567cc789cbf -
There are 1 dirs with files

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071eca55ffd15717546273235adeb775 -
There are 6246 dirs with 6246 files
Removing files
4e2ffc66811f839854f2f0071c1e0541 -
There are 6246 dirs with files
Removing dirs
14e628fb222c872cf383280269b2397f -
There are 1 dirs with files

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