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parallel: Made options compatible with xargs: -x -> -m, -s -> --silent
This commit is contained in:
Ole Tange
parent
aaa69ffa1b
commit
2280fd8215
55
parallel
55
parallel
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@ -88,7 +88,7 @@ characters are not interpreted by the shell. See the section
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QUOTING. Most people will never need this. Quoting is disabled by
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default.
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=item B<-s>
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=item B<--silent>
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Silent. The job to be run will not be printed. This is the default.
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Can be reversed with B<-v>.
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@ -100,17 +100,17 @@ output from different commands to be mixed. Can be reversed with B<-g>.
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=item B<-v>
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Verbose. Print the job to be run. Can be reversed with B<-s>.
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Verbose. Print the job to be run on standard output. Can be reversed with B<-s>.
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=item B<-x>
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=item B<-m>
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xargs. Insert as many arguments as the command line length permits. If
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Multiple. Insert as many arguments as the command line length permits. If
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{} is not used the arguments will be appended to the line. If {} is
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used multiple times each {} will be replaced with all the arguments.
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=item B<-X>
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xargs with context replace. This works like B<-x> except if {} is part
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xargs with context replace. This works like B<-m> except if {} is part
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of a word (like I<pic{}.jpg>) then the whole word will be repeated.
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=back
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@ -522,11 +522,11 @@ my ($processes,$command);
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# getopts("0cdfgI:j:kqsuvxX") || die_usage();
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Getopt::Long::Configure ("bundling","require_order");
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GetOptions("debug|d" => \$::opt_d,
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"xargs|x" => \$::opt_x,
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GetOptions("debug|D" => \$::opt_D,
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"xargs|m" => \$::opt_m,
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"X" => \$::opt_X,
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"verbose|v" => \$::opt_v,
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"silent|s" => \$::opt_s,
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"v" => \$::opt_v,
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"silent" => \$::opt_silent,
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"keeporder|k" => \$::opt_k,
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"group|g" => \$::opt_g,
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"ungroup|u" => \$::opt_u,
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@ -534,8 +534,27 @@ GetOptions("debug|d" => \$::opt_d,
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"file|f" => \$::opt_f,
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"null|0" => \$::opt_0,
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"quote|q" => \$::opt_q,
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"replace|I=s" => \$::opt_I,
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"jobs|j=s" => \$::opt_j) || die_usage();
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"I=s" => \$::opt_I,
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"jobs|j=s" => \$::opt_j,
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# xargs-compatability - implemented
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# xargs-compatability - unimplemented
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"arg-fil|a=s" => \$::opt_a,
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"delimiter|d=s" => \$::opt_d,
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"E=s" => \$::opt_E,
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"eof|e:s" => \$::opt_e,
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"help|h" => \$::opt_help,
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"replace|i:s" => \$::opt_i,
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"L=i" => \$::opt_L,
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"max-lines|l:i" => \$::opt_l,
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"max-args|n=i" => \$::opt_n,
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"interactive|p" => \$::opt_p,
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"no-run-if-empty|r" => \$::opt_r,
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"max-chars|s=i" => \$::opt_s,
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"version" => \$::opt_version,
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"verbose|t" => \$::opt_t,
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"show-limits" => \$::opt_show_limits,
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"exit|x" => \$::opt_x,
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"max-procs|P=s" => \$::opt_P) || die_usage();
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# Defaults:
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$Global::debug = 0;
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@ -549,11 +568,11 @@ $Global::replacestring = '{}';
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$Global::input_is_filename = (@ARGV);
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$/="\n";
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$Global::debug = (defined $::opt_d);
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if(defined $::opt_x) { $Global::xargs = 1; }
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$Global::debug = (defined $::opt_D);
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if(defined $::opt_m) { $Global::xargs = 1; }
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if(defined $::opt_X) { $Global::Xargs = 1; }
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if(defined $::opt_v) { $Global::verbose = 1; }
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if(defined $::opt_s) { $Global::verbose = 0; }
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if(defined $::opt_silent) { $Global::verbose = 0; }
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if(defined $::opt_k) { $Global::keeporder = 1; }
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if(defined $::opt_g) { $Global::grouped = 1; }
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if(defined $::opt_u) { $Global::grouped = 0; }
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@ -1244,6 +1263,10 @@ sub my_dump {
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# Keep perl -w happy
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$main::opt_u = $main::opt_c = $main::opt_f = $main::opt_q =
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$main::opt_0 = $main::opt_s = $main::opt_v = $main::opt_g =
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$main::opt_j = $main::opt_d = $main::opt_x = $main::opt_X =
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$main::opt_k =
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$main::opt_j = $main::opt_D = $main::opt_m = $main::opt_X =
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$main::opt_x =
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$main::opt_k = $main::opt_d = $main::opt_P = $main::opt_i =
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$main::opt_p = $main::opt_a = $main::opt_version = $main::opt_L =
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$main::opt_l = $main::opt_show_limits = $main::opt_n = $main::opt_e =
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$main::opt_t = $main::opt_E = $main::opt_r = $main::opt_help =
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$Global::xargs = $Global::keeporder = 0;
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50
parallel.1
50
parallel.1
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@ -124,7 +124,7 @@
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.\" ========================================================================
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.\"
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.IX Title "PARALLEL 1"
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.TH PARALLEL 1 "2010-01-29" "perl v5.10.1" "User Contributed Perl Documentation"
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.TH PARALLEL 1 "2010-02-03" "perl v5.10.1" "User Contributed Perl Documentation"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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@ -199,8 +199,8 @@ Quote \fBcommand\fR. This will quote the command line so special
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characters are not interpreted by the shell. See the section
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\&\s-1QUOTING\s0. Most people will never need this. Quoting is disabled by
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default.
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.IP "\fB\-s\fR" 9
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.IX Item "-s"
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.IP "\fB\-\-silent\fR" 9
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.IX Item "--silent"
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Silent. The job to be run will not be printed. This is the default.
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Can be reversed with \fB\-v\fR.
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.IP "\fB\-u\fR" 9
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@ -209,15 +209,15 @@ Ungroup output. Output is printed as soon as possible. This may cause
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output from different commands to be mixed. Can be reversed with \fB\-g\fR.
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.IP "\fB\-v\fR" 9
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.IX Item "-v"
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Verbose. Print the job to be run. Can be reversed with \fB\-s\fR.
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.IP "\fB\-x\fR" 9
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.IX Item "-x"
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xargs. Insert as many arguments as the command line length permits. If
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Verbose. Print the job to be run on standard output. Can be reversed with \fB\-s\fR.
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.IP "\fB\-m\fR" 9
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.IX Item "-m"
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Multiple. Insert as many arguments as the command line length permits. If
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{} is not used the arguments will be appended to the line. If {} is
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used multiple times each {} will be replaced with all the arguments.
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.IP "\fB\-X\fR" 9
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.IX Item "-X"
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xargs with context replace. This works like \fB\-x\fR except if {} is part
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xargs with context replace. This works like \fB\-m\fR except if {} is part
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of a word (like \fIpic{}.jpg\fR) then the whole word will be repeated.
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.SH "EXAMPLE 1: Working as cat | sh. Ressource inexpensive jobs and evaluation"
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.IX Header "EXAMPLE 1: Working as cat | sh. Ressource inexpensive jobs and evaluation"
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@ -413,7 +413,7 @@ easier just to write a small script and have \fBparallel\fR call that
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script.
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.SH "LIST RUNNING JOBS"
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.IX Header "LIST RUNNING JOBS"
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To list the jobs currently running you can run:
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If you want a list of the jobs currently running you can run:
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.PP
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\&\fBkillall \-USR1 parallel\fR
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.PP
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@ -422,9 +422,9 @@ To list the jobs currently running you can run:
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.IX Header "COMPLETE RUNNING JOBS BUT DO NOT START NEW JOBS"
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If you regret starting a lot of jobs you can simply break \fBparallel\fR,
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but if you want to make sure you do not have halfcompleted jobs you
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should send the signal \fB\-USR2\fR to \fBparallel\fR:
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should send the signal \fB\s-1SIGTERM\s0\fR to \fBparallel\fR:
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.PP
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\&\fBkillall \-USR2 parallel\fR
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\&\fBkillall \-TERM parallel\fR
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.PP
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This will tell \fBparallel\fR to not start any new jobs, but wait until
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the currently running jobs are finished.
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@ -443,6 +443,8 @@ hosts or URLs) will require creating these inputs as files. \fBfind
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touch important_file
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touch 'not important_file'
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ls not* | xargs rm
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mkdir \-p '12" records'
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ls | xargs rmdir
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.PP
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You can specify \fB\-0\fR or \fB\-d \*(L"\en\*(R"\fR, but many input generators are not
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optimized for using \fB\s-1NUL\s0\fR as separator but are optimized for
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@ -513,22 +515,32 @@ Implement the missing \-\-features
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monitor to see which jobs are currently running
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http://code.google.com/p/ppss/
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.PP
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Accept signal \s-1INT\s0 to complete current running jobs but do not start
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new jobs. Print out the number of jobs waiting to complete on
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\&\s-1STDERR\s0. Accept sig \s-1INT\s0 again to kill now. This seems to be hard, as
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all foreground processes get the \s-1INT\s0 from the shell.
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Accept signal \s-1INT\s0 instead of \s-1TERM\s0 to complete current running jobs but
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do not start new jobs. Print out the number of jobs waiting to
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complete on \s-1STDERR\s0. Accept sig \s-1INT\s0 again to kill now. This seems to be
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hard, as all foreground processes get the \s-1INT\s0 from the shell.
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.PP
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If there are nomore jobs (\s-1STDIN\s0 is closed) then make sure to
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distribute the arguments evenly if running \-X.
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.PP
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Distibute jobs to computers with different speeds/no_of_cpu using ssh
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ask the computers how many cpus they have and spawn appropriately
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according to \-j setting.
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according to \-j setting. Reuse ssh connection (\-M and \-S)
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http://www.semicomplete.com/blog/geekery/distributed\-xargs.html?source=rss20
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http://code.google.com/p/ppss/wiki/Manual2
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.SS "\-S"
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.IX Subsection "-S"
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\&\-S sshlogin[,sshlogin]
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.PP
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sshlogin is [user@]host or filename with list of sshlogin
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.PP
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What about copying data to/from remote host?
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What about copying data to remote host? Have an option that says the
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argument is a file that should be copied.
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.PP
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What about copying data from remote host? Have an option that says
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the argument is a file that should be copied.
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.PP
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Where will '>' be run? Local or remote?
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.PP
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Parallelize so this can be done:
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mdm.screen find dir \-execdir mdm-run cmd {} \e;
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@ -553,7 +565,7 @@ Copyright (C) 2007\-2009 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the \s-1GNU\s0 General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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at your option any later version.
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.PP
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This program is distributed in the hope that it will be useful,
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but \s-1WITHOUT\s0 \s-1ANY\s0 \s-1WARRANTY\s0; without even the implied warranty of
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@ -568,4 +580,4 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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Symbol, IO::File, \s-1POSIX\s0, and File::Temp.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fBfind\fR(1), \fBxargs\fR(1)
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\&\fBfind\fR(1), \fBxargs\fR(1), '
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@ -5,11 +5,11 @@ seq 1 40 | parallel -j 0 seq 1 10 | sort |md5sum
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seq 1 40 | parallel -j 0 seq 1 10 '| parallel -j 3 echo' | sort |md5sum
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# Test of xargs
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seq 1 60000 | parallel -x echo | mop -d 4 "|sort |md5sum" "| wc"
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(echo foo;echo bar) | parallel -x echo 1{}2{}3 A{}B{}C
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seq 1 60000 | parallel -m echo | mop -d 4 "|sort |md5sum" "| wc"
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(echo foo;echo bar) | parallel -m echo 1{}2{}3 A{}B{}C
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(echo foo;echo bar) | parallel -X echo 1{}2{}3 A{}B{}C
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seq 1 60000 | parallel -x echo a{}b{}c | mop -d 4 "|sort |md5sum" "| wc"
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seq 1 60000 | parallel -x echo a{}b{}c | \
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seq 1 60000 | parallel -m echo a{}b{}c | mop -d 4 "|sort |md5sum" "| wc"
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seq 1 60000 | parallel -m echo a{}b{}c | \
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mop -q "|sort |md5sum" :parallel
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echo -n "Chars per line: "
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CHAR=$(cat ~/.mop/:parallel | wc -c)
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@ -5,9 +5,9 @@ seq 1 10 | parallel -k 'seq 1 {} | parallel -k -I :: echo {} ::'
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seq 1 10 | parallel -k 'seq 1 {} | parallel -X -k -I :: echo a{} b::'
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seq 1 10 | parallel -k 'seq 1 {} | parallel -x -k -I :: echo a{} b::'
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seq 1 10 | parallel -k 'seq 1 {} | parallel -m -k -I :: echo a{} b::'
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seq 1 60000 | parallel -I :: -x echo a::b::c | \
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seq 1 60000 | parallel -I :: -m echo a::b::c | \
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mop -q "|sort |md5sum" :parallel
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echo -n "Chars per line: "
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CHAR=$(cat ~/.mop/:parallel | wc -c)
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