From: Robert Klemme <bob.news@...>
Date: 2005-06-19T06:20:34+09:00
Subject: Re: Newbe questions...

Sebastian Biallas <groups.5.sepp@spamgourmet.com> wrote:
> Chuck Brotman wrote:
>> In Ruby Is there a prefered (or otherwise elegant) way to do an
>> inner & outer loop with two variables?
> 
> Well, just nest a second loop into the outer loop...
> 
>> 
>> eg in psedocode:
>> 
>>   for i=1 to 3
>>      {for j =  4 to 6
>>          print i,j, i*j,\nl}
>> 
>> 
> [..]
> 
>> Also,how would you generate the same output using the each iterator?
> 
> (1..3).each do |i|
> (4..6).each do |j|
> printf "%d, %d, %d\n", i, j, i*j
> end
> end
> 
>> 
>> 
>> Thanks,
>> Chuck
> 
> Sebastian

Then there's for ..in:

for i in 1..3
  begin
    for j in 4..6
      p [i,j,i*j]
    end
  end
end

HTH

    robert