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@gkra
Created October 30, 2014 01:43
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$ irb
irb(main):001:0> require 'English'
=> true
irb(main):002:0> $PROCESS_ID
=> 47998
irb(main):003:0> ^D
$ bundle exec irb
irb(main):001:0> require 'English'
=> true
irb(main):002:0> $PROCESS_ID
=> nil
irb(main):003:0> ^D
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