From: Paul Lynch <plynchnlm@...>
Date: 2007-09-12T00:44:55+09:00
Subject: IO.popen and ssh

I've been having some trouble using IO.popen to control an ssh process
(and also mysqldump) on Linux.  My understanding is that if I do:
    p = IO.popen('ssh mymachine')
then the input and output of the ssh subprocess should be accessible via
p.  However, when I try that in an irb shell, the ssh process
immediately takes over the standard input and output of irb, and I get
an "Enter password:" prompt.  I have to hit control-c to get back to the
irb prompt.

Is there a workaround for this?  Or should I be doing this a different
way?  Thanks,
   --Paul
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