-i Do not overwrite files.
-s Do not strip output pathname to base filename. By default uuencode
deletes any prefix ending with the last slash '/' for security
purpose.
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.