#!/usr/bin/perl use List::Compare; my $hostname = $ARGV[0]; my @hostFiles = qw/filecheck.pl hostscript.pl awesomeness.txt/; my @output =`ssh $hostname "cd Desktop; ls -a"`; $lc = List::Compare->new(\@hostFiles, \@output); @Lonly = $lc->get_unique; print @Lonly;