"J.W. Bizzaro" wrote: > > Humberto Ortiz Zuazaga wrote: > > > > Example, image we want to support 4 file formats: > > > > genbank - internal > > pdb - internal > > fasta - internal > > bsml - internal > > > > vs converters between the same 4 formats: > > > > genbank - pdb > > genbank - fasta > > genbank - bsml > > pdb - fasta > > pdb - bsml > > fasta - bsml > > Ah, but you really only need 3 (vs. 4 for an internal format)! > > genbank - pdb > genbank - fasta > genbank - bsml > > Because you can do this: > > pdb - genbank - fasta > pdb - genbank - bsml > fasta - genbank - bsml > > To get the other 3! or you could adopt the all-powerful asn.1 nested-data format which according to the ncbi crew can parse out just about any document ;-) -- gary =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Gary Van Domselaar gvd at redpoll.pharmacy.ualberta.ca Faculty of Pharmacy Phone: (780) 492-4493 University of Alberta FAX: (780) 492-5305 Edmonton, Alberta, Canada http://redpoll.pharmacy.ualberta.ca/~gvd