From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alex Kost Newsgroups: gmane.lisp.guile.user Subject: How to do "ls /tmp > /dev/null" in Guile? Date: Sat, 19 Mar 2016 13:19:06 +0300 Message-ID: <87zituzs6d.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1458382762 25632 80.91.229.3 (19 Mar 2016 10:19:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 19 Mar 2016 10:19:22 +0000 (UTC) To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Sat Mar 19 11:19:18 2016 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ahDyX-00085Q-VM for guile-user@m.gmane.org; Sat, 19 Mar 2016 11:19:18 +0100 Original-Received: from localhost ([::1]:48147 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahDyT-0001IU-Tw for guile-user@m.gmane.org; Sat, 19 Mar 2016 06:19:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60500) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahDy3-0000Ud-3E for guile-user@gnu.org; Sat, 19 Mar 2016 06:18:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ahDxz-0003pZ-TK for guile-user@gnu.org; Sat, 19 Mar 2016 06:18:47 -0400 Original-Received: from mail-lb0-x22e.google.com ([2a00:1450:4010:c04::22e]:34137) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahDxz-0003pS-Kc for guile-user@gnu.org; Sat, 19 Mar 2016 06:18:43 -0400 Original-Received: by mail-lb0-x22e.google.com with SMTP id k12so102071758lbb.1 for ; Sat, 19 Mar 2016 03:18:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:subject:date:message-id:user-agent:mime-version; bh=4Ctxw0ZsjPtDK4RYdAtEx2EMe+asQFf3ZmahfHDZMSA=; b=KjaRgSGyz+9cRghVl5iEvLzJFQValV+rIiYq/rIX2RU59YcTALqW1qMQYpSPxYP++a wVk2/+xsXbN5nAS7dFcz7uMDuzWJLIjodmjCWK4d4Z+5LtqbifFh/qkWBRq4bZbo25yY VcAJOO1vqcbpTtgMd8vEKQ81PGgOByorSd8vnl9gAn9XLRj1qHAHgvqi4cgG5lhm6XC+ Ud1JpH4deXEwD/vZa5kd7ytnGbhcgqefk1baXjE/E9yYVaNNhHzfPeXfiwFYVT+zTz2J ylaGl9tJtmkSoIZMDG9r/ZFWUO4ZaRFs32ICHTMs60zwFCa1QYU80Hazcdm7d+RWzTqC EkMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:user-agent :mime-version; bh=4Ctxw0ZsjPtDK4RYdAtEx2EMe+asQFf3ZmahfHDZMSA=; b=KQIoI1B70lEJ2StqRpUT7XVpPvZ6N9QFBZ7/T4MjtXBaBzVOPDjQYuPKp8s01rK9Oj aranbra0JfBceKlPPxSwTjDLYmUufCr4dXrSjtTmZZFMkUJVXqouCPmHpQljlSAZNmWi HS4AUBAd5az2lM36cV6/Prdr7DP7fV7bRod1i4BnbL7yKKFapccIoqJnNW/4SQzxayIF 1MESlgUDfDTR4CUU6aS+ZV1IiFxZQDTgWQgr+jGyD/gb/OqfOp2paxoq++avoKscEJyG 9hgNsPZo+/aWQgY1tMRFd7Zvd14YYKNi2/C+OxPobQ76QW12a1ORHVlYW/fynnwUECq/ 2hcQ== X-Gm-Message-State: AD7BkJJdVBqwYgGicXjPSQ+37wo08NF6bXPKMqshicDA8x9fLX7VtTbfUr7WzGINwUsnLQ== X-Received: by 10.112.46.136 with SMTP id v8mr6041187lbm.38.1458382722492; Sat, 19 Mar 2016 03:18:42 -0700 (PDT) Original-Received: from leviafan ([217.107.192.146]) by smtp.gmail.com with ESMTPSA id l5sm2804173lfd.22.2016.03.19.03.18.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 19 Mar 2016 03:18:41 -0700 (PDT) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:4010:c04::22e X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:12488 Archived-At: Hello, in the guile REPL I evaluated the following: (with-output-to-port (%make-void-port "w") (lambda () (display "foo") (newline))) and I got no output as expected. Then I tried the following: (with-output-to-port (%make-void-port "w") (lambda () (system* "ls" "/tmp"))) but there was an output from "ls" command. So my question is: how to get rid of this output? -- Thanks, Alex