Here's another way to do it:
#!/usr/bin/perl
use strict;
use warnings;
use File::DosGlob;
my @ARGV = map {
my @g = File::DosGlob::glob($_) if /[*?]/;
@g ? @g : $_;
} @ARGV;
my $op = shift or die "Usage: rename expr [files]\n";
chomp( @ARGV = <STDIN>) unless @ARGV;
for (@ARGV) {
my $was = $_;
eval $op;
die $@ if $@;
rename( $was, $_ ) unless $was eq $_
}
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