GNU bug report logs - #18750
--line-buffered option doesn't work with --files-with-matches

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Message #17 received at 18750 <at> debbugs.gnu.org (full text, mbox):

From: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
To: Jim Meyering <jim <at> meyering.net>
Cc: 18750 <at> debbugs.gnu.org, "Louis S." <sautier.louis <at> gmail.com>
Subject: Re: bug#18750: --line-buffered option doesn't work with
 --files-with-matches
Date: Sun, 19 Oct 2014 09:43:12 +0900

[Message part 1 (text/plain, inline)]

Jim Meyering <jim <at> meyering.net> wrote:
> Thanks, but as a stand-alone patch, that makes grep fail to compile,
> because there is one remaining use of the variable whose declaration
> is removed.

Sorry, I fixed it, and compiled and tested.

> In any case, there is some ambiguity in the documentation
> about what "line" buffering means with -Z. With -l and -Z, should
> grep --line-buffered flush after printing each <file_name, NUL> pair?
> That's what I'd expect.

I interprete the means as line buffered option `_IOLBF' of setvbuf, and
I think that many users will expect the behavior.  However, different
interpretations might also be present.

[0001-grep-line-buffered-for-output-of-file-names-in-grep-.patch (text/plain, attachment)]

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