> collecting text statistics
> ArcPlug: processing /usr/local/greenstone/gsdl/collect/academy/archives/archives.inf
> GAPLug: processing D0.dir/doc.xml
> sh: line 1: mg_passes: command not found

this definitely sounds like an installation problem if one of the
executable programs wasn't found. How did you install greenstone?
mg_passes is responsible for compressing and indexing the text, and
if it can't be found then the collection is not going to work.

John McPherson