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All the Perl that's Practical to Extract and Report

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petdance (2468)

petdance
  andy@petdance.com
http://www.perlbuzz.com/
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I'm Andy Lester, and I like to test stuff. I also write for the Perl Journal, and do tech edits on books. Sometimes I write code, too.

Journal of petdance (2468)

Friday August 24, 2007
10:56 PM

Today's snazzy ack trick

[ #34213 ]
I'm going through a codebase that's got a ton of unused files that have never been pruned. I use ack to look to see if a given file is used, and if not, svn rm the sucker. Then the domino effect starts. Removing that file means that there may well be others, both HTML and graphic, that are no longer used, too. Here's my handy tool to make that easier:

svn diff | grep ^- | ack '(href|src)="(.+?)"' --output='$2' | sort -u

Get the diff, only look at the lines where something's been removed, then find href= or src=, and only show what's in the parens, then sort and dedupe. Voila!

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