Dear Monks, I am reading a tab delimited file with 6 columns into a hash and trying to have access to the each element. In two columns the names re repeating over and over, so they are not unique. But the code does not really work at the following lines:

foreach my $affyscore ( sort keys           %{$row{$origin{$pip{$probe
+set_id}}}}){
   print "$affyscore\t";

foreach my $gc ( sort keys %{$row{$origin{$pip{$probeset_id{$affyscore
+}}}}}){
.
.
.
[download]

The actual program is here: please forget ARGV0 and ARGV2

#!/usr/bin/perl -w

use strict;
use warnings;


######################################################################
+###############
#                         Open Input and Output Files                 
+              #
######################################################################
+###############
if( @ARGV < 1){

      print " Enter input file\n";

      exit 0;
}

open(INPUT2,$ARGV[0]) || die "Cannot open file \"$ARGV[0]\""; # Analys
+is file



my @data =(); my %row =(); 

while(<INPUT2>){
    chomp;
    @data=split (/\t/,$_);
    my $probeset_id  =  $data[0];
    my $origin       =  $data[1];
    my $probeseq     =  $data[2];
    my $pip          =  $data[3];
    my $gc           =  $data[4];
    my $affyscore    =  $data[5];
    $row{$origin}{$pip}{$probeset_id}{$affyscore}{$gc} =$probeseq;
    }
    print "Fished establishing hashs.\n";


    foreach my $origin(sort keys %row) {
        print "\n$origin\t";
           foreach my $pip (sort keys %{$row{$origin}}){
               print "$pip\t";
                  foreach my $probeset_id (sort keys %{$row{$origin{$p
+ip}}}){
                      print "$probeset_id\t";
                        foreach my $affyscore ( sort keys %{$row{$orig
+in{$pip{$probeset_id}}}}){
                      print "$affyscore\t";
                         foreach my $gc ( sort keys %{$row{$origin{$pi
+p{$probeset_id{$affyscore}}}}}){
                      print "$gc\t";


                        foreach my $probeseq ( sort keys %{$row{$origi
+n{$pip{$probeset_id{$affyscore{$gc}}}}}}){
                      print "$probeseq\t";
                      print "\n";
               }
             }
         }
      }
   }
}


close (INPUT2);
[download]

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