view build-aux/move-if-change @ 13121:390add500107

Add back the third input parameter to __makeinfo__ * __makeinfo__.m: Add back the third input prameter.
author Carlo de Falco <kingcrimson@tiscali.it>
date Sat, 10 Sep 2011 12:08:15 +0200
parents b67c2d580a25
children 5e50f25f245a
line wrap: on
line source

#!/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 $1 $2 > /dev/null; then
    echo $2 is unchanged
    rm -f $1
  else
    mv -f $1 $2
  fi
else
  mv -f $1 $2
fi