On Tuesday 01 April 2014 15:07:19, Alexander Stein wrote:
> Hello Uwe,
>
> On Tuesday 01 April 2014 14:30:30, Uwe Kleine-König wrote:
> > > I don't think this is related to man (what's man-db BTW?) at all.
> > man-db is the package that provides /usr/bin/man on Debian. Also man-db
> > from Debian unstable (i.e. 2.6.6) is unaffected.
> >
> > > I think the versions of cat and grep behave differently. I have
> > At least my grep also closes its input with -q and makes cat unhappy:
> >
> > $ { seq 1 2000 | cat; echo >&2 $?; } | grep -q 1
> > 141
> > $ { seq 1 2000 | cat; echo >&2 $?; } | grep 1 > /dev/null
> > 0
>
> Both commands work well here:
> $ { seq 1 2000 | cat; echo >&2 $?; } | grep -q 1
> 0
> $ { seq 1 2000 | cat; echo >&2 $?; } | grep 1 > /dev/null
> 0
>
> > So I still think it's a man problem. Reading the output of
> >
> > strace -o /tmp/tralala man git-format-patch | grep -q -e --notes
> >
> > "my" man doesn't use system to render the manpage. At least it doesn't
> > do any execvp and it opens /usr/share/man/man1/git-format-patch.1.gz
> > itself.
>
> You might be missing the -f option? My strace shows several execve. One of
them is
> > execve("/bin/sh", ["sh", "-c", "/bin/bzip2 -c -d /usr/share/man/"...], [/*
120 vars */]) = 0
>
> > So again, what is your man version?
> >
> > > installed grep-2.16 and coreutils-8.21 (current Gentoo stable
> > > versions).
> > For completeness although I think its proven to be unrelated:
> > grep 2.12-2 + coreutils 8.13-3.5 (i.e. Debian stable)
>
> I have man-1.6g
Mh, those numbers made me wonder. I checked the sources of this version and
found this snippet:
> There is a very different man program, also derived from
> John Eaton's original version (by Graeme W. Wilford)
> distributed under the name man_db, with version numbers
> like man_db-2.3.10. Do not confuse the two, they are
> mutually incompatible, although they perform nearly the same job.
It seems that the default (? dunno why this variant was installed though) of
man behaves differently. I now installed man-db-2.6.6 and it works now \o/
Thanks for the hint
Alexander
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