Greetings, In my program, I fill an array, a, with data and push it onto an array b which is initially empty. At each iteration, all the previous pushed values become the same as the last item, so I end up with an array of many copies of the last item. Can you please help? Joe. (rdb:1) c ACFFX 25.01 15.13 3.25 0 1.45 0 Breakpoint 1, toplevel at funds:65 funds:66: a.fill(0) (rdb:1) p a ["ACFFX", "25.01", "15.13", "3.25", 0, "1.45", 0] (rdb:1) p b [["ACFFX", "25.01", "15.13", "3.25", 0, "1.45", 0], ["ACFFX", "25.01", "15.13", "3.25", 0, "1.45", 0], ["ACFFX", "25.01", "15.13", "3.25", 0, "1.45", 0], ["ACFFX", "25.01", "15.13", "3.25", 0, "1.45", 0]] (rdb:1) c ACINX 28.53 15.63 3.95 7.76 1.05 0 Breakpoint 1, toplevel at funds:65 funds:65: b.push(a) (rdb:1) p a ["ACINX", "28.53", "15.63", "3.95", "7.76", "1.05", 0] (rdb:1) p b [["ACINX", "28.53", "15.63", "3.95", "7.76", "1.05", 0], ["ACINX", "28.53", "15.63", "3.95", "7.76", "1.05", 0], ["ACINX", "28.53", "15.63", "3.95", "7.76", "1.05", 0], ["ACINX", "28.53", "15.63", "3.95", "7.76", "1.05", 0]] (rdb:1) exit [Abba:~/ruby] josephal% cat funds #!/usr/bin/ruby .... a = Array.new(7, 0) # a is the line item b = Array.new # b is the array of arrays .... r.each do |i| ... b.push(a) ... end