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[bug-diffutils] bug#15459: bug#15459: diff -Z hangs [was: bug#15459: bug
From: |
Hugo . Mildenberger |
Subject: |
[bug-diffutils] bug#15459: bug#15459: diff -Z hangs [was: bug#15459: bug#15459: bug#15459: bug#15459:] |
Date: |
Wed, 25 Sep 2013 19:05:09 +0200 |
On Wed, 25 Sep 2013 10:20:20 -0600
Eric Blake <address@hidden> wrote:
> On 09/25/2013 10:05 AM, Eric Blake wrote:
> > On 09/25/2013 09:52 AM, leila karami wrote:
> >> Dear Eric
> >>
> >> I obtained old.gro file from linux, then I changed and saved it in windows
> >> (new.gro). I want to use new.gro file in linux again.
> >>
> >> I attached files in free compression format (such as gzip).
> >>
> >> I want to do some works to obtained new.gro file exactly similar to style
> >> and format of the old.gro to use new.gro in linux.
> >> Please tell me how to do this work exactly?
> >
> > If line endings are all that differs, use 'diff -Z' to ignore the
> > trailing space differences, or download the 'dos2unix' utility and
> > reconvert your file back into desired line endings before doing the diff.
>
> Hmm, you may have found a real bug after all:
>
> $ diff --version | head -n1
> diff (GNU diffutils) 3.3
> $ diff -Z <(printf 'a\nb\n') <(printf 'a\nb\n'); echo $?
> 0
> $ timeout 10s diff -Z <(printf 'a\r\nb\n') <(printf 'a\nb\r\n'); echo $?
> 124
>
> Why is 'diff -Z' going into an infinite loop and timing out after ten
> seconds, instead of ignoring differences caused by mixed-mode carriage
> returns?
>
> --
> Eric Blake eblake redhat com +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
diff 3.3 (probably compiled with gcc-4.7.3 p1.0, pie-0.5.5,
glibc-2.17 on amd64) does not timeout on my system:
$ diff -Z <(printf 'a\nb\n') <(printf 'a\nb\n'); echo $?
0
$ timeout 10s diff -Z <(printf 'a\r\nb\n') <(printf 'a\nb\r\n'); echo $?
0
Hugo Mildenberger
- [bug-diffutils] bug#15459: bug#15459:, (continued)
- [bug-diffutils] bug#15459: bug#15459:, leila karami, 2013/09/25
- [bug-diffutils] bug#15459: bug#15459:, leila karami, 2013/09/25
- [bug-diffutils] bug#15459: bug#15459: bug#15459:, Paul Eggert, 2013/09/25
- [bug-diffutils] bug#15459: bug#15459: bug#15459: bug#15459:, Eric Blake, 2013/09/25
- [bug-diffutils] bug#15459: bug#15459: bug#15459: bug#15459:, Andreas Grünbacher, 2013/09/27
[bug-diffutils] bug#15459: bug#15459: bug#15459: bug#15459:, leila karami, 2013/09/25
[bug-diffutils] bug#15459: bug#15459: bug#15459: bug#15459:, leila karami, 2013/09/25
[bug-diffutils] bug#15459: bug#15459: bug#15459: bug#15459:, leila karami, 2013/09/25
[bug-diffutils] bug#15459: bug#15459:, David Balažic, 2013/09/25