Plan 9 from Bell Labs’s /usr/web/sources/contrib/lyndon/srevert

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#!/bin/rc

# Revert files to the version on sources.

rfork en
if (! test -e /n/sources/plan9)
	9fs sources || exit
here = `{pwd}
if (~ $here /)
	here = ''
for (i) {
	if (echo $i | grep -s '^/')
		f = $i
	if not
		f = $here^/^$i
	cp -x /n/sources/plan9^$f $f
}

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