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WebSVN – planix.SVN – Blame – /os/branches/feature_posix/rc/bin/E – Rev 2

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2 - 1 
#!/bin/rc
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# E file - B file, wait until it changes, exit
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rfork e
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if (! ~ $#* 1) {
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	echo usage: $0 file >[1=2]
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	exit usage
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}
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if (! test -e $1) {
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	echo $0: $1: no such file >[1=2]
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	exit no-file
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}
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otm = `{mtime $1 | awk '{print $1}'}
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B $1
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while (~ $otm `{mtime $1 | awk '{print $1}'})
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	sleep 1
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exit ''