At 3:21 AM -0800 2/5/03, Doug Barton wrote:
Well, this gets into an interesting exercise in quoting...On Mon, 3 Feb 2003, Amit Rao wrote:Allow users to pass "regexps to ignore" as an option? similar to: diff --ignore-matching-lines="\$FreeBSD:" ?I decided to be more general, and added the DIFF_OPTIONS variable to the script, and an example of -I$FreeBSD:.*$ to the man page.
I think I really want:
DIFF_OPTIONS='-I $FreeBSD:.*[$]'
to get the behavior I wanted, because the pattern should match
a literal $, and not have the $ be treated as "to end-of-line".
I think my reasoning is correct there. It also seems to work
right with or without the blank after the -I.
Also note that the example in the man page expanded to:
#DIFF_OPTIONS='-I$FreeBSD: src/usr.sbin/mergemaster/mergemaster.8,v 1.25 2003/02/05 11:03:05 dougb Exp $' # Ignores CVS Id tags
which would probably baffle anyone who reads it!
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