Re: Help a blind man getting ruby to work

On Tue, Jul 24, 2012 at 2:31 AM, Morten T. <[e-mail]> wrote:

> Hi Again...
>
> I just made it work somewhat...
>
> I can now run a script from the command promt...
>
> Id still like to be able to use ruby to make webpages, or compile it to
> a program or something...


Try Sinatra. If you have Ruby installed, you should have the `gem` utility
installed. Use that to install Sinatra from the command line like this:

$ gem install sinatra

(where the ca$h indicates the prompt)

Then make a text file named hello_world.rb and put this code in it:

require 'sinatra'
get('/') { 'hello, world' }

Sinatra is smart and will set up its own server if you don't deal with all
that stuff for it. So back to the command line, to run the program:

$ ruby hello_world.rb

And it will say something like this:

== Sinatra/1.3.2 has taken the stage on 4567 for development with backup
from Thin
>> Thin web server (v1.3.1 codename Triple Espresso)
>> Maximum connections set to 1024
>> Listening on 0.0.0.0:4567, CTRL+C to stop

Which means for me that it's chosen the Thin web server (you'll probably
get webrick), and it's on port 4567, so in the browser go to "0.0.0.0:4567"
and you should see "hello world". There, you have now served up a web page
with Ruby. The string 'hello world' inside the brackets is the page you're
returning. If you were to return a different string, e.g. one that you
constructed, or one that was the result of a rendered template (which would
feel a bit more like php), then you could dynamically create any page you
liked. For more on Sinatra, check out http://www.sinatrarb.com/