remove files older than this number of days;
this is a required option
+rm.py
+~~~~~
+
+Remove files or directories. Ask interactively to remove read-only files or
+directories.
+
+Usage::
+
+ rm.py [-r] name1 [name2...]
+
+Options::
+
+ -r, --recursive
+ recursively remove directories
+
+which.py
+~~~~~~~~
+
+Find a program in PATH and print full path to it.
+
+Usage::
+
+ which.py program
+
Indices and tables
==================