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Re: [bug-diffutils] diff: support for --no-dereference option
From: |
Bruno Haible |
Subject: |
Re: [bug-diffutils] diff: support for --no-dereference option |
Date: |
Sun, 08 Jan 2012 03:22:22 +0100 |
User-agent: |
KMail/4.7.4 (Linux/3.1.0-1.2-desktop; KDE/4.7.4; x86_64; ; ) |
Andreas Gruenbacher wrote:
> In the two directories case, I really don't see when following symlinks
> would be desirable. Here, diff is comparable to a tool like tar, for
> example -- in the tar case, I want to archive what's really there; in
> the diff case, I want to compare what's really there.
Take an example. I often move subdirectories and big files from one disk
to another one, for disk space reasons, and leave in a symlink that points
to the new location. When I now prepare a backup, I'll use "tar chf -".
And to compare the backup with the original contents, I use "diff -r".
I claim that this use-case is more frequent than the one which does not
follow symlinks. Proof: GNU diff users were happy with the existing behaviour
for 20 years.
Bruno
- Re: [bug-diffutils] diff: support for --no-dereference option, (continued)
- Re: [bug-diffutils] diff: support for --no-dereference option, Paul Eggert, 2012/01/07
- Re: [bug-diffutils] diff: support for --no-dereference option, Bruno Haible, 2012/01/07
- Re: [bug-diffutils] diff: support for --no-dereference option, Paul Eggert, 2012/01/08
- Re: [bug-diffutils] diff: support for --no-dereference option, Bruno Haible, 2012/01/08
- Re: [bug-diffutils] diff: support for --no-dereference option, Paul Eggert, 2012/01/08
- Re: [bug-diffutils] --speed-large-files, Bruno Haible, 2012/01/08
- Re: [bug-diffutils] --speed-large-files, Paul Eggert, 2012/01/08
Re: [bug-diffutils] diff: support for --no-dereference option, Andreas Gruenbacher, 2012/01/08
- Re: [bug-diffutils] diff: support for --no-dereference option, Bruno Haible, 2012/01/07
- Re: [bug-diffutils] diff: support for --no-dereference option, Andreas Gruenbacher, 2012/01/08
- Re: [bug-diffutils] diff: support for --no-dereference option,
Bruno Haible <=
- Re: [bug-diffutils] diff: support for --no-dereference option, Andreas Gruenbacher, 2012/01/08
- Re: [bug-diffutils] diff: support for --no-dereference option, Paul Eggert, 2012/01/08
- Re: [bug-diffutils] diff: support for --no-dereference option, Eric Deplagne, 2012/01/09