#!/usr/local/bin/perl
use strict;
use warnings;
use Mac::Pasteboard;
my $file = shift @ARGV || 'clipboard';
my $pb = Mac::Pasteboard->new ();
my @img = $pb->paste_all ('public.image')
    or die "No data conforming to 'public.image' found.\n";
foreach my $item (@img) {
    my $tags = $pb->flavor_tags ($item->{flavor});
    my $fn = $tags->{extension} ? "$file.$tags->{extension}" : $file;
    warn "Creating $fn\n";
    open (my $fh, '>', $fn) or die "Failed to open $fn: $!\n";
    binmode $fh;
    print $fh $item->{data};
    close $fh;
}