my $infile = $ARGV[0]; open (IFILE, "<", $infile) || die "Cannot open : $!\n"; ## read the input file my @data; my $COLUMNTOPARSE; my $local; while () { chomp; my @local = split ('\t',$_); $COLUMNTOPARSE = $local[$ARGV[1]]; push @data; $COLUMNTOPARSE; } close IFILE; my $count = @data;