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Spawning autonomous shell commands

From: Hilary
Subject: Spawning autonomous shell commands
Date: Thu, 27 Sep 2012 22:00:59 +0100
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20120604 Thunderbird/13.0

This may be partly a windoze question. I use this on a windoze box:

(defun espeak-region ()
  "Send the region to espeak"
(shell-command-on-region (region-beginning) (region-end) "espeak -v mb-en1 -p 50 -s 150 --stdin ")

It works, but it locks up emacs until espeak has finished reading the text. Is there a way of spawning espeak as an autonomous process which can finish in its own time?

Hilary S

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