From: Andy Wingo <wingo@pobox.com>
To: "Marijn Schouten \(hkBst\)" <hkBst@gentoo.org>
Cc: guile-user@gnu.org
Subject: Re: pipelines
Date: Sat, 28 Mar 2009 23:24:54 -0700 [thread overview]
Message-ID: <m3r60gq215.fsf@pobox.com> (raw)
In-Reply-To: <49CE1DCA.8070604@gentoo.org> (Marijn Schouten's message of "Sat, 28 Mar 2009 13:53:30 +0100")
Hi Marijn,
On Sat 28 Mar 2009 05:53, "Marijn Schouten (hkBst)" <hkBst@gentoo.org> writes:
> how would I construct a pipeline with guile? Currently my best attempt which
> turns to nothing is:
>
> guile> (use-modules (ice-9 popen))
> guile> (with-output-to-port (open-pipe "echo" OPEN_WRITE) (lambda ()
> (with-input-from-port (open-pipe* OPEN_READ "echo" "Hello world") (lambda ()
> (display (readline))))))
What do you mean by "pipeline"? Do you want to spawn off "echo foo |
bar", or write data to "bar", or read data from "echo foo" ?
Andy
--
http://wingolog.org/
next prev parent reply other threads:[~2009-03-29 6:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-28 12:53 pipelines Marijn Schouten (hkBst)
2009-03-29 6:24 ` Andy Wingo [this message]
2009-03-30 9:26 ` pipelines Marijn Schouten (hkBst)
2009-03-30 19:00 ` pipelines Neil Jerram
2009-03-31 22:56 ` pipelines Ludovic Courtès
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