Once programmers start to manipulate files and directories in more sophisticated ways, there comes a point when it makes sense to stop using shell scripts and start doing it with programming languages that have more sophisticated control constructs and data structures.
- Programs can open and read directories to find out what files those directories contain.
- They can work recursively on the contents of nested directories by walking the directory tree.
Browsing Directories Using walk
Manipulating Files and Directories
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