Hi Neil, Thanks for the response. I have modified the code accordingly. Still I am getting error. I am very new to perl This is the error ********* ERROR: Could not create socket: Invalid argument Use of uninitialized value $servername in printf at ./new.pl line 42. Use of uninitialized value $portnumber in printf at ./new.pl line 42. **************

#!/usr/bin/perl -w
use Data::Dumper;
use Expect;
use strict;
use IO::Socket;
use warnings;

my $exp = new Expect;
$exp->log_file("SSHLOGFILE.txt");
$exp->log_stdout(0);


my $user = '*****';
my $pw = '**********';




if( ! defined $ARGV[0] ) {
        print "Usage: new.pl source destination\n";
        exit;
}
my $file1 = $ARGV[0] or die "Need to get CSV file on the command line\
+n";
my $file2 = $ARGV[1] or die "Need to get CSV file on the command line\
+n";



open my $info, $file1 or die "Could not open $file1: $!";

while( my $line = <$info>)  {
    print $line;
        open( my $ssh_fh, "|-", 'ssh xxxxx@yyyy ps aux |' )
 or die " Could not ssh [$!]\n";
        open( my $data_fh, ">", $file2 )
or die "Could not open [$file2] [$!]";
        for (my $nice = <$data_fh>) {
                chomp ($nice);
                my ($servername, $portnumber) = split (',', $nice);
                print "$servername \n";
                print "$portnumber \n";
                while ($ssh_fh) {
                        printf "%s %s\n", $servername, $portnumber;
                        my $sock = new IO::Socket::INET (PeerAddr => $
+servername,PeerPort => $portnumber,Proto => 'tcp');
                        print  "ERROR: Could not create socket: $!\n" 
+unless $sock;
                        printf "%s\n", "SUCCESS: Port Responded" if $s
+ock;
                        close($sock) if $sock;
                }
                close $ssh_fh;
                exit;
                redo;
        }
        close $data_fh;
}
close $info;
exit
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