On 2014-Jul-30, at 10:59 , Eric Saupe <[email protected]> wrote:

> To expand on what Scott is saying here is some code that gives an example of 
> what he is referring to.
> 
> id = 100
> x  = rand(1..3)
> arrays = [Array.new, Array.new, Array.new]
> selected_array = arrays[x]
> selected_array.push(id)

And to make it a bit more flexible, you could do:

arrays = [ Array.new,  Array.new,  Array.new ]
x = rand(arrays.size)
arrays[x].push(id)

or even:

arrays = [ Array.new,  Array.new,  Array.new ]
arrays.sample.push(id)

http://www.ruby-doc.org/core-2.1.2/Array.html#method-i-sample

-Rob

> 
> On Tuesday, July 29, 2014 8:05:16 PM UTC-6, Scott Ribe wrote:
> On Jul 29, 2014, at 7:33 PM, Dave Castellano <[email protected]> wrote: 
> 
> > Novice question: 
> > 
> > I need to assign an item id to one of 3 arrays randomly but can't figure 
> > out how to specify the correct array by combining "arr" and the randomly 
> > generated number... 
> > 
> > id = "100" 
> > x = rand(1..3) 
> > 
> > arr1 = Array.new 
> > arr2 = Array.new 
> > arr3 = Array.new 
> > 
> > selected_array =  "#{'arr' + x}"  *** Not sure how to do this **** 
> > 
> > selected_array.push(id) 
> > 
> 
> While you could append the name and eval, that's not really a clean approach. 
> Just use an array of arrays. Or if else... 
> 
> 
> -- 
> Scott Ribe 
> [email protected] 
> http://www.elevated-dev.com/ 
> (303) 722-0567 voice 
> 
> 
> 
> 
> 
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