Can you help me find the right module? I need to track which versions of my input data were used in an analysis.

I've got a 4-stage analysis. At each step it reads a bunch of data files, including outputs from previous steps. Is there a good module for generating version/log files, so at the end I can generate a report showing what versions were used in the entire chain?

I envision that, at each step, I generate a human-and-machine-readable logfile. It shows the full-pathname and time-stamps for each input. The next step of the chain reads its own inputs. These include the outputs AND the logfile from the last step, plus other data. It issues its own reports and logfile. That logfile recaps the first logfile, plus the pathnames and time-stamps of the additional data files.

I can imagine rolling my own for this, but, you know, laziness and all that. I've searched both in CPAN and Perlmonks, but if it's in there, I'm getting overwhelmed by all the results for Perl module versions, which isn't what I'm looking for.

In reply to Tracking data versions throughout an analysis chain by throop

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