I knew there would be a nice simpler Ruby way. I love the second solution, Rob. Below is the updated example.
id = 100 arrays = [Array.new, Array.new, Array.new] arrays.sample.push(id) On Thursday, July 31, 2014 8:45:33 AM UTC-6, Rob Biedenharn wrote: > > > On 2014-Jul-30, at 10:59 , Eric Saupe <eric...@gmail.com <javascript:>> > 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 <li...@ruby-forum.com> >> 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 >> scott...@elevated-dev.com >> http://www.elevated-dev.com/ >> (303) 722-0567 voice >> >> >> >> >> > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-ta...@googlegroups.com <javascript:>. > To post to this group, send email to rubyonra...@googlegroups.com > <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/62d3b861-c606-4936-8540-08caae33e8fc%40googlegroups.com > > <https://groups.google.com/d/msgid/rubyonrails-talk/62d3b861-c606-4936-8540-08caae33e8fc%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/931a7b70-e8bf-464a-90d8-ae0f4682ee3a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
