Get version of gem within ruby -

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संभव डुप्लिकेट:

क्या एक मणि की आवश्यकता है और फिर रब्बी के भीतर उस मणि की संस्करण संख्या प्राप्त करें?

आप कोशिश कर सकते हैं 

  Gem.loaded_specs [$ NAME_OF_GEM]। संस्करण

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