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From: 7stud -- <bbxx789_0...@yahoo.com>
Newsgroups: comp.lang.ruby
Subject: Re: zero placeholder exponential sprintf?
Date: Thu, 6 Aug 2009 01:16:16 -0500
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Bil Kleb wrote:
> 
> Sorry for the confusion, String::% uses Kernel::sprintf -- see
> 
>    http://www.ruby-doc.org/core/classes/String.html#M000770
> 

Uh, no.

class Object
  def sprintf(*args)
    puts "inside sprintf..."
    "hello"
  end
end

result = sprintf("%.6e", 1.123450e4)
puts result

puts "%.6e" % 1.123450e4

--output:--
inside sprintf...
hello
1.123450e+04


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