From: ara.t.howard@...
Date: 2006-11-17T12:14:42+09:00
Subject: Re: Another IO.popen question ...

On Fri, 17 Nov 2006, Joel VanderWerf wrote:

> I was confused in several respects: I was thinking of a one-way pipe (but I
> forgot the "w"), in which case blocking wouldn't be a problem. But the
> one-way pipe would only be useful if the OP could put a filename in place of
> the "png:-".

> The one-way pipe has the advantage that you can read(N) instead of read(), 
> and keep memory bounded. Maybe it's not an issues for the OP, though.

huh.  never really thought of it that way - good reason to do

   require 'tempfile'

   t = Tempfile.new Process.pid.to_s
   t.close

   cmd = "convert ... > #{ t.path }"

   # etc

cheers.

-a
-- 
my religion is very simple.  my religion is kindness. -- the dalai lama