Eif2b2 fail Eif2b2 pass5 Eif2b2 fail Eif2b2 pass2 Eif2b2 fail Eif2b2 pass4 Eif2b2 fail 49334 fail 49334 fail 49334 pass1 49334 fail 49334 pass4 Oxct1 pass4 Oxct1 fail Oxct1 pass4 Oxct1 fail #### #!/usr/bin/perl -w use strict; use warnings; open( my $in, "c:/Documents and Settings/mydir/Desktop/current/mart_export.txt" ); open( my $out, ">c:/Documents and Settings/mydir/Desktop/current/mart_export_counts.txt" ); my $first_line = <$in>; chomp $first_line; my %clone_hash; while (<$in>) { chomp; my @fields = split /\t/; my ($gene_symbol, $esc_qc, $qc_id) = ($fields[1], $fields[8], $fields[9]); #my $count = 0; #my $clone1 = 0; $clone_hash{$gene_symbol} = $esc_qc; } # sort the oligos by gene_symbol my @sorted_keys = sort { $a <=> $b || $b cmp $a } keys %clone_hash; foreach my $key (@sorted_keys) { print $out "$key = $clone_hash{$key}\n"; } close ($in); close ($out);