#!/usr/bin/perl -w use Bio::Perl; $database="genbank"; @accessions = ( "bunch", "of", "accession", "numbers"); $count = 1; $n = 0; while ($accessions[$n]) { $id=$accessions[$n]; $format="fasta"; $sequence = get_sequence($database, $id); write_sequence(">-", $format, $sequence); $n++; $count++; sleep(1); }