Re: Possible bug with grep/sed/tail?

[Pádraig Brady]

Karl Berry wrote:
>     It's probably useful to add this functionality to all coreutil filters.
> 
> Wouldn't it suffice to add buffer control options to cat, rather than
> every program?

Unfortunately it's the middle of the pipeline that usually causes
the buffering issues and so sticking a cat --un-buffered or whatever
before of after a command will not suffice.

>     I still need to be convinced that glibc is not the correct place for
>     this.  If it was there then any users of stdio could be controlled.
> 
> Maybe so, but the chances of any such change actually getting into glibc
> seem rather small in practice to me.  Maybe a gnulib module, if someone
> is volunteering to write the code :).

Should be easy enough.
I've already done the code, but I'm not sure about using
environment variables for the interface.
Need to think about it a bit more...

cheers,
Pádraig.