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Re: [STUMP] A shell command causes stumpwm freezed
From: |
Shawn Betts |
Subject: |
Re: [STUMP] A shell command causes stumpwm freezed |
Date: |
Mon, 29 Oct 2012 00:25:42 -0700 |
On Sun, Oct 28, 2012 at 10:30 PM, z_axis <address@hidden> wrote:
> I am using stumpwm built with threaded clisp-2.49. There is a user defined
> #'sh function as below:
> (defun sh (cmd)
> (let ((str (ext:run-shell-command cmd :output :stream)))
> (loop for line = (read-line str nil)
> until (null line)
> do (print line))))
>
> When run (sh "ping 192.168.1.1"), The stumpwm will not do anything. I know
> `ping 192.168.1.1` will not terminate unless user break it.
>
> What is an elegant way to handle such a problem ?
As far as I know ping never quits. It just pings endlessly. So you've
written a function that reads ping's output line by line until it
quits, which it will never do. What do you want to have happen?
-Shawn