Mad patch 1 #13

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  • Quote all potentially dangerous expansions
  • Sanity check all calls to chdir(2)
  • Prefer PAGER env variable and fallback on less(1)
    • Passing exit code from PAGER properly, removing unnecessary call to exit
  • Prefer bash redirects over cat(1)
  • Use bash arrays to load and iterate over paths safely
  • Replace external programs with bash built-ins
  • Use bash builtin regex and paramater expansion to filter files
  • Drop the dependency to perl in list_pages()
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mirlord commented May 26, 2012

$PAGER-related fix won't work. Option -R only required for less, all other pagers don't need it and event don't support. i.e. vimpager and more will fail instantly with "unknown option" error message.

Also current text highlighting defaults are incompatible with more. See pull request #12 for details and a bit better impl.

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tj commented May 27, 2012

hmm some of these should be separate pull-requests but i'll take a look

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tj commented May 27, 2012

cherry-picked some but now a few wont apply properly

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I was back and forth between submitting multiple pull-requests, or just breaking it into separate commits.

I went with separate commits simply because I'm not adding any new features per se. I wanted to optimize this for speed, sanity check all lines that could possibly error out, as well as minimize the call to outside programs and prefer bash built-ins.

I realize now that some of the commits are dependent on the others, and cherry-picking a select few most likely won't work. If you want to pull-in some of the changes I can modify this for separate pull-requests to clearly identify/separate the changes.

@bahamas10 bahamas10 closed this Jun 4, 2014
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