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view build-aux/move-if-change @ 18526:dd669c2ae76c stable rc-3-8-1-4

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3.8.1 release candidate 4 * configure.ac (OCTAVE_VERSION): Bump to 3.8.1-rc4. (OCTAVE_MINOR_VERSION): Bump to 1-rc4. (OCTAVE_RELEASE_DATE): Set to 2014-02-26.
author John W. Eaton <jwe@octave.org>
date Thu, 27 Feb 2014 11:02:23 -0500
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