view build-aux/move-if-change @ 17143:603ce503babd

figure.m: Overhaul function. When switching to figure N make it visible. * scripts/plot/figure.m: When switching to figure N make it visible. Rename variable tmp to arg for clarity. Add %!error blocks.
author Rik <rik@octave.org>
date Thu, 01 Aug 2013 11:18:52 -0700
parents b67c2d580a25
children
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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