keithrbennett / find_jruby.rb

Created October 23, 2012


    
    View find_jruby.rb 
  
  
      find_jruby.rb
    
    
        Raw
      
    
    File suppressed. Click to show.
  
  
            1
            2
            3
            4
            5
            6
            7
            8
            9
            10
            11
            12
            13
            14
            15
            16
            17
            18
            19
            20
          
          
            def list_candidates(extensions, command_name)
 
  dirs = ENV['PATH'].split(File::PATH_SEPARATOR)
  filespecs = []
  dirs.each do |dir|
    filespec_stem = File.join(dir, command_name)
    extensions.each do |extension|
      filespecs << (filespec_stem + extension)
    end
  end
  filespecs
end
 
# filespecs = list_candidates([''], 'ruby')  # for my testing on a Mac
filespecs = list_candidates(%w(.bat .exe), 'jruby')
 
found_filespecs, not_found_filespecs = filespecs.partition { |spec| File.exist?(spec) }
 
puts "\n\nNot Found:\n\n#{not_found_filespecs.join("\n")}"
puts "\n\nFound:\n\n#{found_filespecs.join("\n")}"