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command line rename script using regex

Recipe 9.9. Renaming Files

so many gems in the perl cookbook. need to revisit it more.

there's an updated version at /usr/bin/rename on debian boxes. not sure if it's on rhel. beautifully written. it's like reading a poem.

use strict;

use Getopt::Long;
Getopt::Long::Configure('bundling');

my ($verbose, $no_act, $force, $op);

die "Usage: rename [-v] [-n] [-f] perlexpr [filenames]\n"
unless GetOptions(
'v|verbose' => \$verbose,
'n|no-act' => \$no_act,
'f|force' => \$force,
) and $op = shift;

$verbose++ if $no_act;

if ([email protected]) {
print "reading filenames from STDIN\n" if $verbose;
@ARGV = ;
chop(@ARGV);
}

for (@ARGV) {
my $was = $_;
eval $op;
die [email protected] if [email protected];
next if $was eq $_; # ignore quietly
if (-e $_ and !$force)
{
warn "$was not renamed: $_ already exists\n";
}
elsif ($no_act or rename $was, $_)
{
print "$was renamed as $_\n" if $verbose;
}
else
{
warn "Can't rename $was $_: $!\n";
}
}

gnowk
Sun, 25 Oct 2009 04:53:11 +0000

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