(md5_file): New function -- extracted from main.
tree2da41664d7bbd687dbe95a0f6d6c47abc80b34c8
-rw-r--r-- 17982 COPYING
-rw-r--r-- 5458 INSTALL
drwxr-xr-x - doc
drwxr-xr-x - lib
drwxr-xr-x - old
drwxr-xr-x - src
drwxr-xr-x - tests