commands2convert2gff_for_featureCounts.txt

perl -e 'while (<>) {chomp; @F=split(/\s+/,$_); my $id = $F[0]; my $len = $F[1]; print "$id\tprocessed_transcript\tgene\t1\t$len\t.\t+\t.\tgene_id $id\n";}' < id.len > ref.gff