#!/usr/bin/perl $port = 11112; open (AB, "students"); while ($line = ) { if ($line =~ /(.*)\((.*)\)/) { $username = $1; $name = $2; $username =~ s/\s//g; $a = $port + 1; print qq{$username, $port, $a \n}; $port += 2; } } close(AB);