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annotate scripts/move-if-change @ 6650:10da0f6d85c2 ss-2-9-11

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[project @ 2007-05-22 06:48:18 by jwe]
author jwe
date Tue, 22 May 2007 06:48:18 +0000
parents b68ef5dec3bd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3297
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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1 #!/bin/sh
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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2 #
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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3 # Like mv $1 $2, but if the files are the same, just delete $1.
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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4 # Status is 0 if $2 is changed, 1 otherwise.
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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5
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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6 if test -r $2; then
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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7 if cmp $1 $2 > /dev/null; then
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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8 echo $2 is unchanged
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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9 rm -f $1
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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10 else
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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11 mv -f $1 $2
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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12 fi
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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13 else
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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14 mv -f $1 $2
b68ef5dec3bd [project @ 1999-10-19 17:52:27 by jwe]
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15 fi