module DefaultOpen

# File lib/defaultopen.rb, line 3
def DefaultOpen.open(filename)

  if  (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM) != nil then
    # windows
    return system "start #{filename}"
  elsif (/darwin/ =~ RUBY_PLATFORM) != nil
    # OS X
    return system "open #{filename}"
  else
    # else, we assume Linux/Unix.

    if system("xdg-open #{filename}") != nil then
      return true
    end

    if system("gnome-open #{filename}") != nil then
      return true
    end

    if system("kfmclient exec #{filename}") != nil then
      return true
    end

    return false

  end
end