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string decrement

 
 
Darryl Brown
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      05-23-2010
Hello All,

It is possible to increment a string as follows:

irb(main):001:0> x = 'a'
=> "a"
irb(main):002:0> x.succ
=> "b"
irb(main):003:0> x.next
=> "b"

Is there a method to decrement a string?

Thanks,
Darryl
 
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