From: Joel Pearson <lists@...>
Date: 2013-02-21T21:40:33+09:00
Subject: Re: Select "columns" from multidimensional array?

I thought I could avoid the issue of splitting the data into multiple 
outputs by creating copies of the class, but apparently I was wrong:

irb(main):002:0> m = RubyExcel.new.load [['a','b']]
=> columns: 2, rows: 1, values: 2

irb(main):003:0> a = m.clone

irb(main):004:0> a['A1'] = nil

irb(main):005:0> puts a
        b

irb(main):006:0> puts m
        b

What am I doing wrong? Is @data inside m not being duplicated along with 
the class instance?

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