From: Tim Hunter <rmagick@...>
Date: 2008-07-22T01:47:00+09:00
Subject: Re: Run command after Prompting from User...

Usman Akram wrote:
> i do this but not working :-(
> 
> user_name = gets
> 
> system ('adduser -m $user_name')
> 
> so please any body tell me that how can i run the system command, by
> using variable in the system() function....?????

U:>irb
irb(main):001:0> user_name = "timothy"
=> "timothy"
irb(main):002:0> puts "user_name is #{user_name}"
user_name is timothy


See "Strings" here: 
http://ruby-doc.org/docs/ProgrammingRuby/html/tut_stdtypes.html
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