BioPerl Function Library index index of files data files NM_021964fragment.pep smallfile.txt program files find_count.pl find motif, count nucleotides SeqFun.pm function library t/seqfun.t answer program files seqfun.pl concatenate, transcribe, reverse complement find_count2.pl SeqFun2.pm supports seqfun.pl and find_count2.pl t/seqfun2.t tests SeqFun2 package BioLibeg.pm Assignment example t/biolibeg.t Assignment test example test_biolibeg.pl assignment script