From: Dossy <dossy@...>
Date: 2002-06-16T02:59:32+09:00
Subject: Re: Question: how to  do (repeated) bidirectional communication with another process via stdin/stdout ?

On 2002.06.16, Carsten Gronski <cgronski@web.de> wrote:
> My problem is, that the standard Ruby IO class seems not to allow this
> type of repeated bidirectional communication dialog with another
> process.  Something like ke = IO.popen("ke.exe", "r+") would give me a
> bidirectional communication channel, but unfortunatly it is not
> possible to read from the I/O stream  until the write end of the I/O
> stream is closed.

Remember to flush after writing.  Or, set the IO to auto-flush.

-- Dossy

-- 
Dossy Shiobara                       mail: dossy@panoptic.com 
Panoptic Computer Network             web: http://www.panoptic.com/ 
  "He realized the fastest way to change is to laugh at your own
    folly -- then you can let go and quickly move on." (p. 70)