#! /usr/bin/perl

use strict;
use warnings;

my $ver=shift;

while (<>) {
	chomp;
	(my $src=$_) =~ s/!//;
	my $dst=$_;
	unless ($dst =~ /!/) {$dst .= '!'};
	$dst =~ s/!/-$ver/;
	rename $src,$dst or print "rename $src,$dst failed: $!\n";
}
