view build-aux/move-if-change @ 20604:c6059134f5d3 stable

data.cc: Add @w{} around @code segments in docstrings to prevent line breaks. * data.cc: Add @w{} around @code segments in docstrings to prevent line breaks.
author Rik <rik@octave.org>
date Wed, 07 Oct 2015 09:45:44 -0700
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