view build-aux/move-if-change @ 20355:f8d443fe0de3 stable

close.m: Silently accept null argument for Matlab compatibility. * close.m: Check isempty (arg1) and don't complain if arg1 is null.
author Rik <rik@octave.org>
date Wed, 29 Apr 2015 17:09:24 -0700
parents b67c2d580a25
children 5e50f25f245a
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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 $1 $2 > /dev/null; then
    echo $2 is unchanged
    rm -f $1
  else
    mv -f $1 $2
  fi
else
  mv -f $1 $2
fi