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Test for existing `source /etc/profile.d/autojump.bash` has missed and/or false positives

Closed William Ting requested to merge github/fork/wting/master into master

The current grep line grep -c "^[[:space:]]*source\|\. /etc/profile(\.d/autojump\.bash)[[:space:]]*$ will test positive for the following lines:

  • source /dummy/file
  • source
  • . /etc/profile

It will fail for the following lines:

  • . /etc/profile.d/autojump.bash

source\|\. isn't grouped properly, and grouping parentheses need to be escaped with a slash.

I only tested on Ubuntu 10.10 server, but also changed OS X's grep line.