#usr/bin/perl -wuse strict;my %hash;open IN , "a.txt" or die $!;while {chomp;$_=~/(ENSG.*?)\t(.*?)(ENSG.*?)\t(.*?)(ENSG.*?)\t(.*?)/;$hash{$1}=$2;$hash{$3}=$4;$hash{$5}=$6;}foreach my $key (sort keys %hash){print "$hash{$key}\n";}