Information about environment path

test_env_path.rb

executables = {}
total = 0

path_extensions = ENV["PATHEXT"].gsub(".", "").downcase.split(File::PATH_SEPARATOR)
path = ENV["Path"]
path.split(File::PATH_SEPARATOR).each do |value|
  dir = Pathname.new(value)
  if dir.exist? then
    filter = File.join(dir.realpath, "*.{" + path_extensions.join(",") + "}")
    Dir.glob(filter).each do |file|
      basename = File.basename(file)
      extension = File.extname(file)
      filename = basename.gsub(extension, '')
      executables[filename] ||= []
      executables[filename] << file
      total += 1
    end
  else
    p value
  end
end

executables.each do |name, value|
  if value.length > 1 then
    p value
  end
end

p total