diff options
| author | Roland McGrath <roland@gnu.org> | 1995-02-21 06:15:34 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-02-21 06:15:34 +0000 |
| commit | 01cc0be62795f0afee7d7866bb2ec2f24b92dcee (patch) | |
| tree | c42e7c1791bac6822956cb70a45c1015db4353ea /move-if-change | |
| parent | 8b60020b204dcaebc346d94f3d9972f741a8cbe1 (diff) | |
* Makefile (subdirs): Add elf first.
* elf/Makefile: New file.
* elf/elf.h: New file.
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 0000000000..66d8b8adc7 --- /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 |