Re: [bug-gawk] flush in the main process but not coprocess?

[Andrew J. Schorr]

On Thu, Dec 06, 2012 at 10:54:15AM -0600, Peng Yu wrote:
> But when the coprocess was written by somebody else, and I don't have
> control of, it is not an option to call flush. Is there a walk-around
> to this problem?

I haven't tried this myself, but this thread gives two good suggestions:
   http://unix.stackexchange.com/questions/25372/turn-off-buffering-in-pipe
Try using "stdbuf" or "unbuffer" to run the coprocess (see the man pages
for those commands).

Regards,
Andy