Looking for quick way of editing a text file

[Gilboa Davara]

On Sun, 2005-11-20 at 10:18 -0500, Jim Cornette wrote:
> Gilboa Davara wrote:
> >Try tr(1), sed(1) and awk(1).
> >
> >To replace a single line (or part of it):
> >cat file.txt | sed 's/old_line/new_line/g' > newfile.txt
> >
> >Gilboa
> >
> >  
> >
> nano is an easy and quick editor. The commands are simple, ^o to write 
> out and ^x to quit. The program is installed by default.
> 
> Jim
> 
> -- 

The OP said:
"Is there some quick way of editing a specific line of a text file **without** using a text editor?"

I believe nano qualifies as a text editor, am I wrong? ;)

Gilboa