BackPAN is a near complete history of CPAN

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Most CPAN mirrors take what PAUSE gives them. If an author deletes a file in his PAUSE account, that file disappears from the PAUSE master mirror and hence from the CPAN mirrors, by default. However, some people set up BackPANs; these are CPAN mirrors that don’t delete files. They maintain a near complete history of […]

CPAN Clean Sweep 2006

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[This originally appeared on Use.Perl. The original is at http://use.perl.org/use.perl.org/_brian_d_foy/journal/28444.html] It’s a new year, so it’s time to reduce the size of CPAN. A long time ago, I was really interested in measuring the growth of CPAN, and comparing that to the size of MINICPAN, which I called the Schwartz Factor. I’m interested again because […]

Increase your Schwartz

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[This originally appeared on Use.Perl. The original is at http://use.perl.org/use.perl.org/_brian_d_foy/journal/8314.html] What was the line from Space Balls? “May the Schwartz be with you”? A while ago Randal measured the effective size of CPAN, although he was more interested in keeping a small CPAN around than tracking its size. I am a physcist by training (currently […]