FSF GCC merge 02/23/03
[official-gcc.git] / gcc / move-if-change
blob66d8b8adc7fbcada50bc93f3b1f0390c39d73135
1 #!/bin/sh
2 # Like mv $1 $2, but if the files are the same, just delete $1.
3 # Status is 0 if $2 is changed, 1 otherwise.
4 if
5 test -r $2
6 then
7 if
8 cmp -s $1 $2
9 then
10 echo $2 is unchanged
11 rm -f $1
12 else
13 mv -f $1 $2
15 else
16 mv -f $1 $2