#!/usr/bin/perl -w use strict; use util; my $filename = "prosite.dat"; my @file = get_file_data("$filename"); my $output = ''; foreach my $line (@file){ if( $line =~ /^ID/ ){ $line =~ s/^ID\s*//; $line =~ s/\.//; $line =~ s/;/,/; chomp($line); $output.=$line."\n"; } } print $output; exit;