unclemantis

gistfile1.txt

    #!/usr/bin/env ruby
    #
    foo = []
    0.upto 5 do |i|
-     foo[i] = {}
    end
    foo[0]['jackpot'] = 100
    foo[1]['jackpot'] = 200
    foo[2]['jackpot'] = 500
    foo[3]['jackpot'] = 300
    foo[4]['jackpot'] = 250
    foo[5]['jackpot'] = 9
    
    
    require 'pp'
    
    # Non-destructive, foo is unchanged.
    #pp foo.sort_by{|x| x['jackpot']}
    #pp foo
    
    # Fix it for good
    pp foo.sort_by!{|x| x['jackpot']}
    pp foo


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