move-if-change 880 B

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  1. #!/bin/sh
  2. # Copyright (C) 1996 Free Software Foundation, Inc.
  3. #
  4. # This program is free software; you can redistribute it and/or modify
  5. # it under the terms of the GNU General Public License as published by
  6. # the Free Software Foundation; either version 2 of the License, or
  7. # (at your option) any later version.
  8. #
  9. # This program is distributed in the hope that it will be useful,
  10. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. # GNU General Public License for more details.
  13. #
  14. # You should have received a copy of the GNU General Public License
  15. # along with this program; if not, write to the Free Software
  16. # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17. if
  18. test -r $2
  19. then
  20. if
  21. cmp $1 $2 > /dev/null
  22. then
  23. echo $2 is unchanged
  24. rm -f $1
  25. else
  26. mv -f $1 $2
  27. fi
  28. else
  29. mv -f $1 $2
  30. fi