"J.W. Bizzaro" wrote: > > --piperhome=/usr/home/piper-0.0.0 Make the default... --piperhome=/usr/local/piper-0.0 We can have... piper-0.0 piper-0.1 piper-0.2 piper-0.3 ... and move up in number each time an upgrade would cause problems (e.g., the directory structure changes). This is pretty much what Python does, as they've been using the directory... python1.5 even though they've been using version numbers 1.5.0, 1.5.1, 1.5.2. (BTW, the dash "-" is used in about 1/2 of all directories with version numbers.) Cheers. Jeff -- +----------------------------------+ | J.W. Bizzaro | | | | http://bioinformatics.org/~jeff/ | | | | BIOINFORMATICS.ORG | | The Open Lab | | | | http://bioinformatics.org/ | +----------------------------------+