I tried the -i option or -i.bak to make a backup also, but it doesn't work (or I don't use it in the right way
I will try pipe programming this afternoon, maybe that offers me a way out.
I thought about writing things to another file, but I want to settle this for all
Suppose I have a huge file, and I want to do the same thing: search for a line and delete it... then writing the file would cost the same huge amount of disk space.
that's a beautiful site you gave me, but as far as I can see it only offers books for sale?