If you need one thing unique, I suggest searching into Perl one-liners (as they could adapt easily into existing UNIX scripts), or compose anything in Python which mimics 'cat' but replaces Areas with A further character, very like palako's "tr" example. Share Enhance this reply Stick to I am using https://petskyonline-onlinestrore.blogspot.com/2025/07/how-to-choose-and-maintain-perfect-dog.html