Chris and Sendu, Right. The author of entrezgene.pm is _not_ using pseudohashes but perl thinks they're being used. I suppose one could hack something here but it's not entrezgene.pm that's at fault. Brian O. On 8/7/06 9:04 AM, "Chris Fields" <cjfields at uiuc.edu> wrote: > Brian already knows about the 'pseudohash' issue