GeneName	GeneType	Regulation
APOL4	protein_coding	up
CYP2C8	protein_coding	down
NAALADL2	protein_coding	NA
NANOS3	protein_coding	up
C20orf204	protein_coding	up
MIR429	miRNA	up
MIR200A	miRNA	down
MIR200B	miRNA	down
CFL1P4	processed_pseudogene	down
AC091607.1	processed_pseudogene	up
RPL19P20	processed_pseudogene	up
SREK1IP1P1	processed_pseudogene	down
CCT5P2	processed_pseudogene	up
CHTF8P1	processed_pseudogene	NA
FAR1P1	processed_pseudogene	NA
AC067940.1	processed_pseudogene	up
AL662791.1	lncRNA	up

##</code><code>##

open FILE1, "data.txt" or die;


my %hash;
while (my $line=&lt;FILE1&gt;) {

chomp $line;

(my $word1,my $word2) = split( /\s+/, $line);


$hash{$word1} = $word2;
}


@values = values(%hash);

print @values;