From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-09-14T20:34:55+09:00
Subject: Re: Catching undefined global variable errors

On Tue, Sep 14, 2004 at 07:34:52PM +0900, George  Moschovitis wrote:
> Sorry everyone,
> 
> my example was wrong, THIS is the surprising code:
> 
> $the_key = "key1"
> 
> a = { "key1" => 1, "key2" => 2}
> 
> unless a[$the_ley] # orthographic error !!!
> # ruby doesnt catch this error
> puts "SURPRISE!!"
> end
> 
> the orthographic error is in the variable. Shouldnt this be catched by
> the interpreter ? Any ideas ?

Try to run with -w:

batsman@tux-chan:~/src/rpa/rpa-base$ ruby -w

a = { "key1" => 1, "key2" => 2}

unless a[$the_ley] # orthographic error !!!
# ruby doesnt catch this error
puts "SURPRISE!!"
end

-:4: warning: global variable `$the_ley' not initialized
SURPRISE!!

-- 
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