From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Sebastian Tennant Newsgroups: gmane.lisp.guile.user Subject: apply and open-pipe* Date: Sun, 02 Mar 2008 20:10:59 +0200 Message-ID: <87fxv9m1xo.fsf@moley.moleskin.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1204481487 27649 80.91.229.12 (2 Mar 2008 18:11:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 2 Mar 2008 18:11:27 +0000 (UTC) To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Sun Mar 02 19:11:53 2008 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1JVsf6-0000Lt-7Q for guile-user@m.gmane.org; Sun, 02 Mar 2008 19:11:48 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JVseZ-0005EG-8y for guile-user@m.gmane.org; Sun, 02 Mar 2008 13:11:15 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JVseV-0005Dw-Nt for guile-user@gnu.org; Sun, 02 Mar 2008 13:11:11 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JVseU-0005Dd-To for guile-user@gnu.org; Sun, 02 Mar 2008 13:11:11 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JVseU-0005Da-Oz for guile-user@gnu.org; Sun, 02 Mar 2008 13:11:10 -0500 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JVseU-000876-Gc for guile-user@gnu.org; Sun, 02 Mar 2008 13:11:10 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JVseR-0006Et-9O for guile-user@gnu.org; Sun, 02 Mar 2008 18:11:07 +0000 Original-Received: from 85.105.17.65 ([85.105.17.65]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 02 Mar 2008 18:11:07 +0000 Original-Received: from sebyte by 85.105.17.65 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 02 Mar 2008 18:11:07 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 31 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 85.105.17.65 User-Agent: Gnus/5.110007 (No Gnus v0.7) Emacs/22.1 (gnu/linux) Cancel-Lock: sha1:3kVnf1LEWEx4BfHCRU1lkOcmHK8= X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:6432 Archived-At: Hi list, I want to provide a list of strings the open-pipe* function using apply, but guile doesn't seem ot like 'apply'ing lists to open-pipe* guile> (use-modules (ice-9 popen) (ice-9 rdelim)) guile> (define temp-port #f) guile> (set! temp-port (apply 'open-pipe* OPEN_READ "ls" '("-l"))) Backtrace: In standard input: 3: 0* (set! temp-port (apply (quote {open-pipe*}) OPEN_READ "ls" (quote ("-l")))) 3: 1* [apply {open-pipe*} "r" "ls" "-l"] In unknown file: ?: 2 [{open-pipe*}] ?: 3* [{open-pipe*} "r" "ls" "-l"] ERROR: In procedure apply: ERROR: Wrong type argument in position 1: open-pipe* ABORT: (wrong-type-arg) I suspect this is because open-pipe* itself uses apply to call open-process. How can I work around this limitation, or am I just doing something wrong? Sebastian