Files
bison/config/move-if-change
Akim Demaille d074a105ae * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
* config/prev-version.txt, config/move-if-change: New.
* Makefile.am: Adjust.
2001-07-18 14:34:24 +00:00

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#!/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