How to do a mass rename?

Question

I need to rename files names like this

transform.php?dappName=Test&transformer=YAML&v_id=XXXXX

to just this

XXXXX.t         


        

Answer 1

This should also work:

prfx='transform.php?dappName=Test&transformer=YAML&v_id='

ls $prfx* | sed s/$prfx// | xargs -Ipsx mv "$prfx"psx psx