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0x0dea/find_constant.rb

Created July 2, 2015 07:48
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find_constant.rb
require 'stringio'
def find_constant const
return nil unless Object.const_defined? const
value = Object.const_get const
$stderr = StringIO.new
Object.const_set const, nil
$stderr.rewind
ret = $stderr.read.lines.last.split(': ').first
$stderr = STDERR
v, $VERBOSE = $VERBOSE, nil
Object.const_set const, value
$VERBOSE = v
ret
end
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