diff options
| -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 |