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#!/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 pat +tern. 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;

In reply to global by sflitman

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