Mercurial > hg > octave-avbm
diff move-if-change @ 2330:12ff450cbb1f
[project @ 1996-07-19 01:39:22 by jwe]
Initial revision
author | jwe |
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date | Fri, 19 Jul 1996 01:49:31 +0000 (1996-07-19) |
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new file mode 100755 --- /dev/null +++ b/move-if-change @@ -0,0 +1,15 @@ +#!/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