Find and replace filename recursively in a directory

Question

I want to rename all the files in a folder which starts with 123_xxx.txt to xxx.txt.

For example, my directory has:

123_xxx         


        

Answer 1

In case you want to replace string in file name called foo to bar you can use this in linux ubuntu, change file type for your needs

find -name "*foo*.filetype" -exec rename 's/foo/bar/' {} ";"