#!/usr/bin/perl -w

use strict;			
use warnings;
use diagnostics;
use Getopt::Std;

#reading options
our ($opt_i);
getopts('i:');
if (!$opt_i) {
    print STDERR "\nInput file name (-i) required\n\n\n";
}
#open the file or die
open INFILE, "<", $opt_i or die "No such input file $opt_i";

my %file;
while (<INFILE>) {
#remove the newline character
chomp;

#create an array
my @fh = <INFILE>;

#split the file by tabs in each row
@fh = split ('\t', $_);
#place the first column (row names) in $geno
	my $geno = shift @fh;

  my $remain = join "_", @fh[1-];
    push @{$geno{$remain}}, $_;
}
# print the first field (the username)
 print "%file\n";
}
close INFILE;