annotate move-if-change @ 6469:a848b846cb3a ss-2-9-10

[project @ 2007-03-27 18:42:11 by jwe]
author jwe
date Tue, 27 Mar 2007 18:42:11 +0000
parents 12ff450cbb1f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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1 #!/bin/sh
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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2 #
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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3 # Like mv $1 $2, but if the files are the same, just delete $1.
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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4 # Status is 0 if $2 is changed, 1 otherwise.
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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5
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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6 if test -r $2; then
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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7 if cmp $1 $2 > /dev/null; then
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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8 echo $2 is unchanged
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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9 rm -f $1
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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10 else
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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11 mv -f $1 $2
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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12 fi
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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13 else
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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14 mv -f $1 $2
12ff450cbb1f [project @ 1996-07-19 01:39:22 by jwe]
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15 fi