From: Jim Freeze <jimfreeze@...>
Date: 2006-01-25T15:31:51+09:00
Subject: Re: Python / ruby command line script?

--Apple-Mail-10-949705876
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
	charset=US-ASCII;
	delsp=yes;
	format=flowed

Hi
On Jan 24, 2006, at 11:08 AM, Paatsch, Bernd wrote:

> Hello,
>
> I am a newbie to Ruby. However I have used python a little bit.
> I like to convert my python scripts to ruby. One of them is a  
> command line
> script taking input and switches.
> Is there something equivalent in ruby?

Yes, but Ruby also has something much better - CommandLine -
it's the rails equivalent for commandline apps. :)

> Generate something
> Usage:      python xyz.py [options] [source] [destination]
> Options:
> 	 -h, --help     show help
> Examples:   xyz.py input.csv output.html

#!/usr/bin/env ruby
require 'rubygems'
require 'commandline'

class App < CommandLine::Application
   def initialize
     synopsis "[options] [source] [destination]"
     option :help
     expected_args :source :destination
   end

   def main
     # your code here
   end
end


> """
>
> def main(argv):
>     """Main Entry Point """
>     try:
>         opts, args = getopt.getopt(argv, "h", ["help"])
>     except getopt.GetoptError:
>         usage()
>         sys.exit(2)
>
>     for opt, arg in opts:         if opt in ("-h", "--help"):
>             usage()             sys.exit()
>
>     try:
>         source = sys.argv[1]
>         global destination
>         destination = sys.argv[2]
>     except:
>         usage()
>         sys.exit(2)
>
>     seleniumHtmlGenerator(source)
>
>
> if __name__ == "__main__":
>     main(sys.argv[1:])


Jim Freeze




--Apple-Mail-10-949705876--