tracefile: Converted to perl. Deals correctly with files containing space.
This commit is contained in:
parent
dd29d1da52
commit
e13b1bba51
|
@ -14,7 +14,7 @@ B<timestamp> prepends stdin (standard input) with a timestamp.
|
||||||
|
|
||||||
=over 9
|
=over 9
|
||||||
|
|
||||||
=item B<--delta>
|
=item B<--delta> (default)
|
||||||
|
|
||||||
Regard start time as epoch and thus show difference between start time
|
Regard start time as epoch and thus show difference between start time
|
||||||
and now.
|
and now.
|
||||||
|
@ -35,7 +35,7 @@ Output time format in ISO8601 (E.g. 2013-01-30T13:57:58.322).
|
||||||
Output time format in ISO8601/time only (E.g. 13:57:58.322).
|
Output time format in ISO8601/time only (E.g. 13:57:58.322).
|
||||||
|
|
||||||
|
|
||||||
=item B<--epoch>
|
=item B<--epoch> (default)
|
||||||
|
|
||||||
Output time format as seconds since 1970-01-01T00:00:00 (E.g. 1359557768.423).
|
Output time format as seconds since 1970-01-01T00:00:00 (E.g. 1359557768.423).
|
||||||
|
|
||||||
|
@ -50,7 +50,7 @@ B<vmstat 1 | timestamp>
|
||||||
|
|
||||||
=head2 Timestamp each step in setting up/tearing down ssh connection:
|
=head2 Timestamp each step in setting up/tearing down ssh connection:
|
||||||
|
|
||||||
B<ssh localhost echo test | timestamp --delta --epoch>
|
B<ssh -v localhost echo test 2>&1 | timestamp --delta --epoch>
|
||||||
|
|
||||||
|
|
||||||
=head1 REPORTING BUGS
|
=head1 REPORTING BUGS
|
||||||
|
|
|
@ -1,24 +1,130 @@
|
||||||
#!/bin/bash
|
#!/usr/bin/perl
|
||||||
|
|
||||||
export _EXISTS=0
|
use Getopt::Long;
|
||||||
export _NONEXISTS=0
|
|
||||||
export _UNIQUE=0
|
|
||||||
|
|
||||||
while true ; do
|
$Global::progname = "tracefile";
|
||||||
case "$1" in
|
|
||||||
-e|--exists) export _EXISTS=1; shift ;;
|
Getopt::Long::Configure("bundling","pass_through");
|
||||||
-n|--nonexists) export _NONEXISTS=1; shift ;;
|
get_options_from_array(\@ARGV) || die_usage();
|
||||||
-a|--all) export _EXISTS=1; export _NONEXISTS=1; shift ;;
|
|
||||||
-u|--unique) export _UNIQUE=1; shift ;;
|
if(not ($opt::exists or $opt::nonexists or $opt::all)) {
|
||||||
*) break;
|
$opt::all = 1;
|
||||||
esac
|
}
|
||||||
done
|
|
||||||
|
my @cmd = shell_quote(@ARGV);
|
||||||
|
|
||||||
|
open(IN, "-|", "strace -ff -e trace=file @cmd 2>&1") || die;
|
||||||
|
while(<IN>) {
|
||||||
|
if(s/^[^\"]+"(([^\\"]|\\[\\"nt])*)".*/$1/) {
|
||||||
|
# Matches the strace structure for a file
|
||||||
|
my $file = shell_unquote($1);
|
||||||
|
my $print = 0;
|
||||||
|
if($opt::all
|
||||||
|
or
|
||||||
|
($opt::exists and -e $file)
|
||||||
|
or
|
||||||
|
($opt::nonexists and not -e $file)) {
|
||||||
|
$print = 1;
|
||||||
|
}
|
||||||
|
if($opt::unique and $seen{$file}++) {
|
||||||
|
$print = 0;
|
||||||
|
}
|
||||||
|
$print and print;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
sub options_hash {
|
||||||
|
# Returns a hash of the GetOptions config
|
||||||
|
return
|
||||||
|
("debug|D" => \$opt::debug,
|
||||||
|
"uniq|unique|u" => \$opt::unique,
|
||||||
|
"exists|exist|e" => \$opt::exists,
|
||||||
|
"nonexists|nonexist|non-exists|non-exist|n" => \$opt::nonexists,
|
||||||
|
"all|a" => \$opt::all,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
sub get_options_from_array {
|
||||||
|
# Run GetOptions on @array
|
||||||
|
# Returns:
|
||||||
|
# true if parsing worked
|
||||||
|
# false if parsing failed
|
||||||
|
# @array is changed
|
||||||
|
my $array_ref = shift;
|
||||||
|
# A bit of shuffling of @ARGV needed as GetOptionsFromArray is not
|
||||||
|
# supported everywhere
|
||||||
|
my @save_argv;
|
||||||
|
my $this_is_ARGV = (\@::ARGV == $array_ref);
|
||||||
|
if(not $this_is_ARGV) {
|
||||||
|
@save_argv = @::ARGV;
|
||||||
|
@::ARGV = @{$array_ref};
|
||||||
|
}
|
||||||
|
my @retval = GetOptions(options_hash());
|
||||||
|
if(not $this_is_ARGV) {
|
||||||
|
@{$array_ref} = @::ARGV;
|
||||||
|
@::ARGV = @save_argv;
|
||||||
|
}
|
||||||
|
return @retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
sub shell_unquote {
|
||||||
|
# Unquote strings from shell_quote
|
||||||
|
# Returns:
|
||||||
|
# string with shell quoting removed
|
||||||
|
my @strings = (@_);
|
||||||
|
my $arg;
|
||||||
|
for my $arg (@strings) {
|
||||||
|
if(not defined $arg) {
|
||||||
|
$arg = "";
|
||||||
|
}
|
||||||
|
$arg =~ s/'\n'/\n/g; # filenames with '\n' is quoted using \'
|
||||||
|
$arg =~ s/\\([\002-\011\013-\032])/$1/g;
|
||||||
|
$arg =~ s/\\([\#\?\`\(\)\{\}\*\>\<\~\|\; \"\!\$\&\'])/$1/g;
|
||||||
|
$arg =~ s/\\\\/\\/g;
|
||||||
|
}
|
||||||
|
return wantarray ? @strings : "@strings";
|
||||||
|
}
|
||||||
|
|
||||||
|
sub shell_quote {
|
||||||
|
my @strings = (@_);
|
||||||
|
for my $a (@strings) {
|
||||||
|
$a =~ s/([\002-\011\013-\032\\\#\?\`\(\)\{\}\[\]\*\>\<\~\|\; \"\!\$\&\'\202-\377])/\\$1/g;
|
||||||
|
$a =~ s/[\n]/'\n'/g; # filenames with '\n' is quoted using \'
|
||||||
|
}
|
||||||
|
return wantarray ? @strings : "@strings";
|
||||||
|
}
|
||||||
|
|
||||||
|
sub die_usage {
|
||||||
|
# Returns: N/A
|
||||||
|
usage();
|
||||||
|
wait_and_exit(255);
|
||||||
|
}
|
||||||
|
|
||||||
|
sub usage {
|
||||||
|
# Returns: N/A
|
||||||
|
print join
|
||||||
|
("\n",
|
||||||
|
"Usage:",
|
||||||
|
"$Global::progname [-u] [-a] [-n] [-e] command [arguments]",
|
||||||
|
"",
|
||||||
|
"See 'man $Global::progname' for details",
|
||||||
|
"");
|
||||||
|
}
|
||||||
|
|
||||||
|
sub warning {
|
||||||
|
my @w = @_;
|
||||||
|
my $fh = $Global::original_stderr || *STDERR;
|
||||||
|
my $prog = $Global::progname || "tracefile";
|
||||||
|
print $fh $prog, ": Warning: ", @w;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
sub error {
|
||||||
|
my @w = @_;
|
||||||
|
my $fh = $Global::original_stderr || *STDERR;
|
||||||
|
my $prog = $Global::progname || "tracefile";
|
||||||
|
print $fh $prog, ": Error: ", @w;
|
||||||
|
}
|
||||||
|
|
||||||
if [ "$_EXISTS" == "0" -a "$_NONEXISTS" == "0" ] ; then
|
|
||||||
export _EXISTS=1
|
|
||||||
export _NONEXISTS=1
|
|
||||||
fi
|
|
||||||
|
|
||||||
strace -ff -e trace=file "$@" 2>&1 |
|
|
||||||
perl -ne 's/^[^"]+"(([^\\"]|\\[\\"nt])*)".*/$1/ && do { '$_EXISTS' and -e $1 and (not '$_UNIQUE' or not $seen{$_}++) and print; '$_NONEXISTS' and ! -e $1 and (not '$_UNIQUE' or not $seen{$_}++) and print };'
|
|
||||||
|
|
||||||
|
|
|
@ -43,6 +43,18 @@ List only files once.
|
||||||
=back
|
=back
|
||||||
|
|
||||||
|
|
||||||
|
=head1 EXAMPLES
|
||||||
|
|
||||||
|
=head2 EXAMPLE: Find the missing package
|
||||||
|
|
||||||
|
Assume you have a program B<foo>. When it runs it fails with: I<foo:
|
||||||
|
error: missing library>. It does not say with file is missing, but you
|
||||||
|
have a hunch that you just need to install a package - you just do not
|
||||||
|
know which one.
|
||||||
|
|
||||||
|
tracefile -n -u foo | apt-file -f search -
|
||||||
|
|
||||||
|
|
||||||
=head1 REPORTING BUGS
|
=head1 REPORTING BUGS
|
||||||
|
|
||||||
Report bugs to <tange@gnu.org>.
|
Report bugs to <tange@gnu.org>.
|
||||||
|
|
Loading…
Reference in a new issue