if ($csv_line =~ /SEQ+/) { print "Header of Predictions \n"; } elsif ($csv_line =~ /(\d)\t(\d)\t(\d.d{3})\t(\d.d{3})\(\d.d{3})/) { push @ProteinSeq, $1; push @Prediction, $2; print "Amino acid is: ".$1." and Prediction is: ".$2." \n"; }