Ruby on Rails

Jatin Kumar wrote:
> I have various files of extensions .cpp stored on the server. When
> user clicks on the compile button, I should run gcc command passing
> the absolute path of the file to gcc compiler and then show the user
> the output of the file.
> How can i do that???

A silly contrived example:

user_controller.rb
----------------------
# GET /users
# GET /users.xml
def index
@users = User.all
@out = `ls -l /Users/robertwalker/Desktop`

respond_to do |format|
format.html # index.html.erb
format.xml { render :xml => @users }
end
end

index.html.erb
----------------------
<p>List of files on Desktop: <%= simple_format(@out) %></p>
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