#!/usr/bin/perl

$fnx = "file1";
$fny = "file2";
$fnz = "file.uncommon";
$fntmp = "file.common";
open FPX, "$fnx" or die "Error in write:$!";
open FPY, "$fny" or die "Error in write:$!";
open FPZ, ">$fnz" or die "Error in write:$!";
open FPTMP, ">$fntmp" or die "Error in write:$!";
@x_lines = map {s/^\s+//; s/\s+$//; $_ } <FPX>;
@y_lines = map {s/^\s+//; s/\s+$//; $_ } <FPY>;

for $xnr(1..@x_lines)
{
	$x = $x_lines[$xnr-1];
	$matched = 0;
	for $ynr(1..@y_lines)
	{
		$y = $y_lines[$ynr-1];
		if($x eq $y)
		{
			print "Saving matched at $xnr\n";
			print FPTMP "$x \n";
			$matched = 1;
			last;
		}
	}
	if(!$matched)
	{
		print "Saving unmatched at $xnr\n";
		print FPZ "$x \n";
	}
}
close FPX;
close FPY;
close FPZ;