IBM CMS dumpfile idiocy

Guy Sotomayor ggs at
Tue Dec 15 11:09:03 CST 2015

> On Dec 14, 2015, at 10:21 PM, Chuck Guzis <cclist at> wrote:
> Just finished reading a 9 track tape made with IBM CMS in its dumpfile format.
> Why on earth--or might I say, what idiot--designed this format?  First the file data in a series of records, *then* the file name and other metadata.
> Anyone know of a DOS/Windows/Unix utility to unravel one of these things?  I don't feel too much like coding for a single tape.
Use VM/370 under Hercules to read in the dumpfile tape and write it back out in either AWS or HET format.

TTFN - Guy

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