Glob is an inbuilt Python module that is used to find path names in your filesystem which match a specific pattern. It takes its inspiration from the Unix shell-style of pattern matching.

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So, What’s the Use Case?

Ok, we have an idea about the module now but what about the use case? Where might you be able to use this and potentially avoid using a blob of code and instead use glob’s built-in functions to achieve the same task in possibly a single line of code? Let’s take a look.

Use Case: Finding files with a certain extension inside a directory on a filesystem

This is a very common task that can find its use in almost every Python program out there. Let’s say we want to find files with extension .jpeg inside a directory for an image processing task. Let’s try doing that without using glob and then with using glob and see if it’s any better.

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