I used to use such a thing at the university when we had nothing but punched cards, HASP, JCL and all that stuff, and it was quite handy to compress a working 1000 card program to a 100 card program. But who uses punched cards these days? -- Bjorn Engsig, Domain: bengsig at oracle.nl, bengsig at oracle.com Path: uunet!mcsun!orcenl!bengsig