Re: [PATCH] question mark is extended regex for non-GNU grep
Michael Haubenwallner <[email protected]>
| Newsgroups | gmane.comp.gnu.libtool.patches |
|---|---|
| Message-ID | <[email protected]> |
On 11/21/2014 03:06 PM, Eric Blake wrote:
> On 11/21/2014 05:11 AM, Michael Haubenwallner wrote:
>> Accepting \? for at-most-once in basic regex is a GNU grep extension,
>> not accepted by AIX grep for example.
>> * tests/libtool.at: Need EGREP for ? operator, and ? without \ then.
>> With EGREP, need one more \ for $.
>
> Or, stick with GREP but use \{0,1\} instead of \?.
Possible as well, thanks!
/haubi/
0001-question-mark-is-extended-regex-for-non-GNU-grep.patch
(text/x-patch, 1.6 KB)
From d11a1079e84949cb9067f0109e33a82259817fe6 Mon Sep 17 00:00:00 2001 From: Michael Haubenwallner <[email protected]> Date: Fri, 21 Nov 2014 15:49:19 +0100 Subject: [PATCH 1/2] question mark is extended regex for non-GNU grep Accepting \? for at-most-once in basic regex is a GNU grep extension, not accepted by AIX grep for example. * tests/libtool.at: Use \{0,1\} instead of ? with GREP. --- tests/libtool.at | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/libtool.at b/tests/libtool.at index a466790..7431820 100755 --- a/tests/libtool.at +++ b/tests/libtool.at @@ -116,14 +116,14 @@ for mode in compile link install; do [0], [stdout]) # NOTE: we use "..."'"'"..." to insert a literal quote into the expression # because "...\"..." is not expanded consistently by all shells. - AT_CHECK([$GREP "$mode:.*$match_preflag"'"\?'"$flag\\\\\\\\:test\\\\\\\\"'"\? ' stdout], + AT_CHECK([$GREP "$mode:.*$match_preflag"'"\{0,1\}'"$flag\\\\\\\\:test\\\\\\\\"'"\{0,1\} ' stdout], [0], [ignore]) # Shell metacharacters that should be backslashified by libtool. for mchar in \" \` \$; do AT_CHECK([$LIBTOOL -n --mode=$mode $preargs $preflag"$flag$mchar:test$mchar" $postargs], [0], [stdout]) - AT_CHECK([$GREP "$mode:.*$match_preflag"'"'"\?$flag\\\\$mchar:test\\\\$mchar"'"'"\? " stdout], [0], [ignore]) + AT_CHECK([$GREP "$mode:.*$match_preflag"'"'"\{0,1\}$flag\\\\$mchar:test\\\\$mchar"'"'"\{0,1\} " stdout], [0], [ignore]) done # Shell metacharacters that should be double quoted by libtool, and need -- 1.8.5.5