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[bug-diffutils] diff -urN 3.0 omits empty directories and also empty fil
From: |
Hugo Mildenberger |
Subject: |
[bug-diffutils] diff -urN 3.0 omits empty directories and also empty files |
Date: |
Mon, 15 Nov 2010 18:41:18 +0100 |
User-agent: |
KMail/1.13.5 (Linux/2.6.36-hardened; KDE/4.5.3; x86_64; ; ) |
I'm unsure if this is a bug or a feature of diff, but certainly it was
unexpected to me
that diff doesn't account for an empty directory or file:
$ diff --version
$ diff (GNU diffutils) 3.0
Packaged by Gentoo (3.0)
$ mkdir a/c -p
$ mkdir b/c -p
$ touch b/c/emptyfile
$ diff -urN a b
One might argue that diff isn't exactly tar. But when generating a patch you
sometimes need to create empty directories, empty files or both.
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Hugo Mildenberger <=