Unix Magic Trick: Rename stuff in bulk

Here’s a magic-trick I rock from time to time. I only graze the basic abilities of the “rename” program, but even in my basic use of it, I find it super helpful.

In this case, I had a situation where my eBooks had been resorted from a massive flat directory in to one containing sub-dirs named with the prefix “Categories – “. I might have sorted them in another manner if I didn’t know about the rename command. When I was done sorting and thus left with my category-based directories, I then wanted to rename each dir to dump the prefix.

A simple call to rename is all it takes:
rename "s/[what to find]/[what to replace it with]/" *

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