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I switched to HomeBrew from Fink, and I want to uninstall Fink and all of the packages I installed with it to avoid problems in the future.

I found this perl snippet that should remove all pacages, but it doesn't: fink list | perl -lne '/^s*is+(S+)/ and print $1' | xargs fink purge

How can I remove all of the packages?

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2 Answers 2

the -r problem of xargs can simply be avoided by using the backquotes:

fink purge `fink list | perl -lne '/^\s*i\s+(\S+)/ and print $1'`
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I'm not familiar with fink, but I'm assuming that fink list puts out a line for each package and for those installed they're of the format: i packagename. The problem is that you're using s and S (the literal characters) instead of \s and \S: whitespace and non-whitespace, respectively.

The correct line is probably:

fink list | perl -lne '/^\s*i\s+(\S+)/ and print $1' | xargs -r fink purge

I also added a -r to xargs so that fink purge won't run if there aren't any matching lines (installed packages).

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On Max OS X 10.6.8, you'll get an illegal option error for -r –  perimosocordiae Apr 25 '12 at 22:06

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