diff options
| author | Roland McGrath <roland@gnu.org> | 1999-06-18 21:01:28 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1999-06-18 21:01:28 +0000 |
| commit | 7f57c74e2b24831055b80716e2842586076c9c44 (patch) | |
| tree | 80ef81335944d6eba7715d6128f417c2082c4452 /move-if-change | |
| parent | 3d56942d92a9d0e92b3c1ef8bb748bdb1eca9a77 (diff) | |
1999-06-17 Roland McGrath <roland@baalperazim.frob.com>
* move-if-change: New file, canonical GNU script.
Diffstat (limited to 'move-if-change')
| -rwxr-xr-x | move-if-change | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/move-if-change b/move-if-change new file mode 100755 index 00000000..66d8b8ad --- /dev/null +++ b/move-if-change @@ -0,0 +1,17 @@ +#!/bin/sh +# Like mv $1 $2, but if the files are the same, just delete $1. +# Status is 0 if $2 is changed, 1 otherwise. +if +test -r $2 +then +if +cmp -s $1 $2 +then +echo $2 is unchanged +rm -f $1 +else +mv -f $1 $2 +fi +else +mv -f $1 $2 +fi |