Simplify directory walking.
treeccd5b305136d31c2e7622baddfd9d7f5a91d943b
-rw-r--r-- 13 .gitignore
-rw-r--r-- 188 Makefile
-rwxr-xr-x 1486 asure.py
-rw-r--r-- 1321 t_scan.py