From: Davide Benini <nutsmuggler@...>
Date: 2008-09-11T17:15:39+09:00
Subject: Re: How to check if a webpage exists

Thanks for your super-fast answer :)
Yet, none of this works on my system; to be double sure I copied and 
pasted.
In a script, I get "I'm ok" even when a page does not exist; in IRB , I 
always get "sorry can't do"
Any suggestion?
Davide

> compare,
> 
>> require 'open-uri'
> => false
>> begin
> *   open "http://www.google.com", :proxy=>true
>>   p "i'm ok"   #<-- ok codes here
>> rescue
>>   p "sorry can't do"  #<-- not ok codes here
>> end
> "i'm ok"
> => nil
> 
>> begin
> *   open "http://this.does.not.exist.com", :proxy=>true
>>   p "i'm ok"
>> rescue => e
>>   p "sorry can't do"
>>   p "error is: #{e}"
>> end
> "sorry can't do"
> "error is: 503 Service Unavailable"
> => nil

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