Looking for quick way of editing a text file

[gb spam]

> 2: You might want bsed:
>
>      Page:
>      http://www.cskk.ezoshosting.com/cs/css/bsed.html
>
>      Script:
>      http://www.cskk.ezoshosting.com/cs/css/bin/bsed
>
> Bsed is a wrapper for sed. It takes pretty well the same arguments as sed,
> but edits files in place. I frequently use it for batch edits; it's very
> handy. Example:
>
>         bsed '4s/that/that/' filename.txt
>
> Replace "this" with "that" on line 4. It essentially does all the redirection
> of the first sed with error handling, temp files and such.
>
> Cheers,

check out "sed -i"