splitdiff --version (return code: 0)
splitdiff - patchutils version 0.3.4
splitdiff --help (return code: 0)
usage: splitdiff [OPTIONS] FILE
OPTIONS are:
-a split out every single file-level patch
-p N pathname components to ignore
-d use output filenames like a_b.c.patch for a/b.c
-D dir create patches in subdirectory dir (implies -d)
-E don't use .patch filename extension