5 echo 'usage: patch/undo patch-name' >[1=2]
9 if(! test -d /n/sources/patch){
14 if(! test -d /n/sources/patch/$1){
15 echo 'no such patch' /n/sources/patch/$1 >[1=2]
20 builtin cd /n/sources/patch/$1 || exit nopatch
22 echo 'bad patch: '$status >[1=2]
28 echo cp /n/sources/patch/$d/$2.backup $1
32 echo $1 has changed since patch was applied! >[2=1]
34 cat files | sed 's/^/xxx /' |rc