Red Hat Bugzilla – Bug 424201
grep-mode confuses me
Last modified: 2009-01-09 00:30:22 EST
I use M-x grep to give me a shiny buffer where I can click on the hits and be
taken directly to the line in question.
If given a command such as:
grep -nH -e lbs_prepare_and_send_command *.[ch]
.. it works nicely.
When I modify the command to:
grep -nH -e lbs_prepare_and_send_command *.[ch] | grep -v WAIT
... it doesn't work. When I click on the files, I get a 'file open' dialog box
instead. Piping through 'cat' works, and through another 'grep' as long as it's
not 'grep -v'. Confused.
Ah, emacs sets $GREP_OPTIONS, $GREP_COLOR, $GREP_COLORS environment variables
which somehow cause the second grep to confuse it. This works:
grep -nH -e lbs_prepare_and_send_command *.[ch] | GREP_OPTIONS= grep -v WAITFOR
(setq grep-highlight-matches nil)
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