[mfham@localhost work]$ ruby -v ruby 2.1.8p440 (2015-12-16 revision 53160) [x86_64-linux] [mfham@localhost work]$ irb 2.1.8 :009 > sprintf('%05d', '10101') => "10101" 2.1.8 :010 > sprintf('%05d', '02101') => "01089" 2.1.8 :011 > sprintf('%…