How to batch rename 40000 files on a folder with number count

Question

I need to batch rename 40000 files on a folder with a number count in the end like this:. something.jpg to something_00001.jpg. I\'d like to work with the rename command, but an

Answer 1

Here's a solution using renamer.

$ tree
.
├── beach.jpg
├── sky.jpg

$ renamer --path-element name --index-format %05d --find /$/ --replace _{{index}} *

$ tree
.
├── beach_00001.jpg
├── sky_00002.jpg