[REQUEST] How to remove a line from txt file A if that line is present in the txt file B?

[karupoiss]

I have 2 txt files, file A and file B. Some lines in file A are the same as in file B. I need to run file A "against" file B and delete all lines from file A that are already present in file B.

How can I achieve this?

 

[GTP]

@karupoiss
From your profile "Computer User (not a technician)"
This forum is for Computer Repair Professionals who either own, run or work in an IT support business. We do not offer end user support. A quick search will help you locate forums for do-it-yourself end user support like www.bleepingcomputer.com

@Nige

 

[Computer Bloke]

Awk! You sed it before I could!