which

in rake-runner-test/testData/bundler-discovery/bundler-1.11.2/lib/bundler.rb [285:296]

• 11 lines of code
• 6 McCabe index (conditional complexity)

    def which(executable)
      if File.file?(executable) && File.executable?(executable)
        executable
      elsif ENV["PATH"]
        path = ENV["PATH"].split(File::PATH_SEPARATOR).find do |p|
          abs_path = File.join(p, executable)
          File.file?(abs_path) && File.executable?(abs_path)
        end
        path && File.expand_path(executable, path)
      end
    end