Programming Python, 3rd Edition

4.1. "Erase Your Hard Drive in Five Easy Steps!" This chapter continues our look at system interfaces in Python by focusing on file and directory-related tools. As you'll see, it's easy to process files and directory trees with Python's built-in a...

4.2. File Tools External files are at the heart of much of what we do with shell utilities. For instance, a testing system may read its inputs from one file, store program results in another file, and check expected results by loading yet another ...

4.3. Directory Tools One of the more common tasks in the shell utilities domain is applying an operation to a set of files in a directorya "folder" in Windows-speak. By running a script on a batch of files, we can automate (that is, script...