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