From: Jim Meyering <meyering@redhat.com>
Date: Fri, 29 Jun 2012 08:45:31 +0000 (+0200)
Subject: doc: improve sample backup script
X-Git-Tag: v8.18~44
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5f6c22fceedd0d350e1a8246d4d73840de666c7e;p=thirdparty%2Fcoreutils.git

doc: improve sample backup script

* doc/coreutils.texi (cp invocation): Make the backup script exit
with an accurate reflection of any failure.
Also, add --preserve=all.

Improved-by: Bernhard Voelker
---

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 08ef2d8c8b..954a1f8f47 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -7675,9 +7675,11 @@ combination of options is this tiny Bourne shell script:
 #!/bin/sh
 # Usage: backup FILE...
 # Create a @sc{gnu}-style backup of each listed FILE.
+fail=0
 for i; do
-  cp --backup --force -- "$i" "$i"
+  cp --backup --force --preserve=all -- "$i" "$i" || fail=1
 done
+exit $fail
 @end example
 
 @item --copy-contents