[ILUG] sed question

[Kenn Humborg]

> OK I've a (very big) file like:
> 
> 0
> 0
> 1
> 1
> 2
> 2
> 3
> 3
> :
> 
> I would like to find and print the "2" lines,
> AND THEN STOP PRCOCESSING the humungous file.
> 
> I was thinking of using sed, and the q command.

I'd be thinking of using awk.

> I have to maintain state someplace I think,
> and I guess the hold space is the place to do it,
> but I'm confused.

Awk's got these great things for holding state called
variables :-)

Later,
Kenn