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method

help

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Ruby latest stable (v2_5_5) - 0 notes - Class: CLI
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help(cli = nil) public

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# File lib/bundler/cli.rb, line 104
    def help(cli = nil)
      case cli
      when "gemfile" then command = "gemfile"
      when nil       then command = "bundle"
      else command = "bundle-#{cli}"
      end

      man_path  = File.expand_path("../../../man", __FILE__)
      man_pages = Hash[Dir.glob(File.join(man_path, "*")).grep(/.*\.\d*\Z/).collect do |f|
        [File.basename(f, ".*"), f]
      end]

      if man_pages.include?(command)
        if Bundler.which("man") && man_path !~ %{^file:/.+!/META-INF/jruby.home/.+}
          Kernel.exec "man #{man_pages[command]}"
        else
          puts File.read("#{man_path}/#{File.basename(man_pages[command])}.txt")
        end
      elsif command_path = Bundler.which("bundler-#{cli}")
        Kernel.exec(command_path, "--help")
      else
        super
      end
    end
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