# Unix Console Style
# You can use this module to apply a style on the terminal
#
# <b>DON'T WORK ON WINDOWS (Only on Unix* Terminal)</b>

module UnixConsoleStyle
  # Availables Styles
  STYLE = {
      :default    =>    "\033[0m",
    	# styles
    	:bold       =>    "\033[1m",
    	:underline  =>    "\033[4m",
    	:blink      =>    "\033[5m",
    	:reverse    =>    "\033[7m",
    	:concealed  =>    "\033[8m",
    	# font colors
    	:black      =>    "\033[30m", 
    	:red        =>    "\033[31m",
    	:green      =>    "\033[32m",
    	:yellow     =>    "\033[33m",
    	:blue       =>    "\033[34m",
    	:magenta    =>    "\033[35m",
    	:cyan       =>    "\033[36m",
    	:white      =>    "\033[37m",
    	# background colors
    	:on_black   =>    "\033[40m", 
    	:on_red     =>    "\033[41m",
    	:on_green   =>    "\033[42m",
    	:on_yellow  =>    "\033[43m",
    	:on_blue    =>    "\033[44m",
    	:on_magenta =>    "\033[45m",
    	:on_cyan    =>    "\033[46m",
    	:on_white   =>    "\033[47m" }
  
  # Methods to use if you want to apply a style
  def UnixConsoleStyle::apply_style(style)
    STDOUT.write STYLE[style]
  end
  
end

# This module lazily defines constants of the form Uxxxx for all Unicode
# codepoints from U0000 to U10FFFF. The value of each constant is the
# UTF-8 string for the codepoint.
# Examples:
#   copyright = Unicode::U00A9
#   euro = Unicode::U20AC
#   infinity = Unicode::U221E
#
module Unicode
  def self.const_missing(name)  
    # Check that the constant name is of the right form: U0000 to U10FFFF
    if name.to_s =~ /^U([0-9a-fA-F]{4,5}|10[0-9a-fA-F]{4})$/
      # Convert the codepoint to an immutable UTF-8 string,
      # define a real constant for that value and return the value
      #p name, name.class
      const_set(name, [$1.to_i(16)].pack("U").freeze)
    else  # Raise an error for constants that are not Unicode.
      raise NameError, "Uninitialized constant: Unicode::#{name}"
    end
  end
end


puts copyright = Unicode::U00A9
puts euro = Unicode::U20AC
puts euro = Unicode::U20AC
puts infinity = Unicode::U221E
puts Unicode.const_get(:U221E)
p Unicode.constants
puts Unicode.constants
Unicode.constants.each { |u| puts Unicode.const_get(u) }

# make some files excutable
d = path('/usr/home/guido/bin')
for f in d.files('*.py'):
    f.chmod(0755)

# Directory walking - delete Emacs backup files
d = path(os.environ['HOME'])
for f in d.walkfiles('*~'):
    f.remove()