is used), do a recursive delete. Use -r with even more caution!
Also changed usage message into a doc string, added a comment or two,
and rearranged a long line.
removed from .mirrorinfo. Now they are (even if -r is not specified
-- the files are not removed, just their .mirrorinfo entry).
Added a feature: the -s pattern option is also used to skip local
files when removing (i.e. -r won't remove local files matching the -s
patterns).
Guido van Rossum