Re: [repost] Patch to make cpdup's stdout unbuffered

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

On 08.06.2004, at 23:02, Chris Pressey wrote:

> The installer popen()'s "cpdup -vvv src dest" and it reads from this
> pipe to monitor cpdup's progress.  Unfortunately, since cpdup's output
> is fully buffered, cpdup's progress can't be usefully measured this 
> way.
> This patch simply gives us a way to make cpdup's output unbuffered, so
> we can get it through the pipe as cpdup generates it.

As I wrote some months ago: this is a thing a lot of programs could use 
(sed, awk, grep etc IIRC)

Now, we could add a flag for every single program to write unbuffered 
(linebuffered) output. Or we could do some (non-POSIX?) magic in libc 
to get most of this just fixed by doing a env 
LIBC_STDOUT_BUFFERING=line $program or whatever...

opinions about this?

cheers
  simon

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