From: Kevin Skrenes <kevin.skrenes@...>
Date: 2007-03-17T05:48:23+09:00
Subject: Executing shell commands from Ruby...  again.

I'm not only very new to Ruby, but also to server side programming in
general, so I'm having a hard time finding a good place to look for
solutions.

I've seen a number of posts regarding the execution of shell commands
from Ruby / Rails, but I can't figure out a way to call a shell process
and retain a reference to it so that I can execute successive commands.
I need to do this on a Windows machine, so a typical batch file might be
constructed like this:

  echo off
  cd path\executabledir
  <command> -S <param> <input> <output>

where anything in <> needs to be dynamically populated.  I'm able to
execute a batch file with the information hard-coded using
IO.popen("batchfile"), but I need to be able to manipulate the shell
commands before running them.

If anyone knows of any fitting resources that a newbie to this entire
concept could understand, please let me know.

Thanks.

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