:1 s/\w/&-/g y/0123456789/+012345678/ s/-+/9/ s/+-// t1 h s/.* // G s/-- .*// : s/-/ 1/ s// 0/ t s/^ // P y/01/10/ s/ .$// t
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
download
return to the top page