From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-09-05T20:50:18+09:00
Subject: Re: Multiple Assignments: Newbie question

Z T wrote:
> When I run my program:
>
> arg1="Ruby", arg2="Rails", arg3="Rails"
> puts "#{arg1}, #{arg2}, #{arg3}"
>
> Why is the output as follow:
> RubyRailsRails, Rails, Rails
>
> What is the reason for this output? Thanks in advance.

In Ruby x=1,2,3 is the same as x=[1,2,3].
x,y,z=1,2,3 (or x,y,z=[1,2,3]) is the same as x=1; y=2; z=3.
Your code is interpreted as arg1=["Ruby", arg2="Rails", arg3="Rails"]
and since assignments evaluate to the assigned value arg1 now is 
["Ruby", "Rails", "Rails"]. 

HTH,
Sebastian
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