extension_lister 0.1.0
List unique file extensions from any starting directory recursively
          Gemfile:
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          インストール:
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      Runtime依存関係 (1):
            thor
            ~> 0.19
          
    Development依存関係 (11):
            awesome_print
            ~> 1.2
          
          
            bundler
            ~> 1.5
          
          
            gem-ctags
            ~> 1.0
          
          
            guard
            ~> 2.6
          
          
            guard-minitest
            ~> 2.2
          
          
            minitest
            ~> 5.3
          
          
            minitest-spec-context
            ~> 0.0.3
          
          
            pry
            ~> 0.9
          
          
            rake
            ~> 10.1
          
          
            rubocop
            ~> 0.23
          
          
            yard
            ~> 0.8
          
    