sourcecode
sflitman
<code>
#!/usr/bin/perl
# GLOBAL - execute a shell command in every subdirectory under cwd
# Stephen Flitman 022408 - inspired by 4NT
# Released under GPLv2
use strict;
use File::Find::Object;
use Getopt::Std;
my %opts;
getopts('hiptvx:',\%opts);
if ($opts{h} or scalar @ARGV<1) {
print <<"EOT";
Usage: global [-hitv] [-x pat] 'command' [dir...]
Execute command in each specified directory plus subdirectories, or the
current directory and all of its subdirectories.
-h This help information.
-i Ignore errors.
-p Show progress.
-t Test mode (does not execute command).
-v Verbose (takes precedence over -p).
-x pat Exclude all directories matching this shell wildcard pattern.
EOT
exit(1);
}
my $pat=$opts{x};
$pat=~s/\./\\./g; # protect dots
$pat=~s/\*/.*/g; # shell wildcard to regexp match any
$pat=~s/\?/./g; # shell wildcard to regexp match one char
my $cmd=shift @ARGV;
my $nDirs=0;
my $nErrors=0;
my @dirs=@ARGV;
push @dirs,'.' unless @dirs;
my $tree=File::Find::Object->new({},@dirs);
while (my $dir=$tree->next()) {
if (-d $dir) {
next if $pat and $dir!~/$pat/o;
++$nDirs;
if ($opts{v}) {
printf "%4d. $dir\n",$nDirs;
}
elsif ($opts{p}) {
print "$nDirs\r";
}
unless ($opts{t}) {
my $output=qx/cd "$dir"; $cmd 2>&1/;
print $output if $opts{v};
if ($?) {
printf "$cmd returns error code %d\n",($?>>8) if $opts{v};
exit 1 unless $opts{i};
++$nErrors;
}
}
}
}
printf "Processed %d director%s with %d error%s.\n",$nDirs,$nDirs==1?'y':'ies',$nErrors,$nErrors==1?'':'s';
exit 0;
</code>
Run a shell command in every subdirectory under the current working directory (cwd), and including the cwd as well
Shell
Stephen Flitman
<sflitman at xenoscience.com>