Re: searching files

[clueless newbie]

Andy Lester's ack will do that quite nicely.

To search files NOT named ".lst" for the string ".txt":

ack "--ignore-file=match:\.lst" "\.txt"

Or in your case something like

ack "--ignore-file=match:<user stuff here>_ABC_.*\.pdf" "\.txt"

Yes, it's coded in perl.

Yes, I'm on Windows. For *nix use 's in place of "s.