ruby - load a gem's gemspec -

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I am trying to load gemspec from a gem inside my Ruby script. I hope to do this: 

  `man spike rake '# error: no gem was found' rake (& gt; = 0) 'found

I also tried: <21> Could not find 'rake' (& gt; = 0) between the total gems (s): 

  gem: specificity.find_by_name ( 'Rake') #J: Load Array:

When I make the gem spec rake from the console, I get the right output.

jamfile: 

  source 'https://rubygems.org 'Gem' rake 'test .rb:  
  is required' rack 'P. Gems :: Specification.Find_by_name (' rake ') < / Code> 
 
 executed: 
 
  Install bundle bundle name mile test.rb  
 
 Output: 
 
  # & lt; Jammu :: Specification: 0x12c1b1c rake-10.3.1 & gt;

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