Eustáquio Rangel taq

## binreaddouble.sh
od --skip-bytes=4 --read-bytes=8 -t fD -An teste.bin | printf "%.0f" $(tr -d ' ')

## htmlescape.rb
#!/bin/ruby
require "cgi"
STDOUT.print CGI.escapeHTML(ARGV.size>0 ? File.read(ARGV[0]) : STDIN.read)

## htmlescape.html
<!DOCTYPE HTML>
<html>
   <head>
      <title>HTML escape test</title>
   </head>
   <body>
      <p>This is a test.</p>
   </body>
</html>

## symbol_array.rb
p [:ruby, :"2.0", :symbol, :array, :literal]
#=> [:ruby, :"2.0", :symbol, :array, :literal]
p %i(ruby 2.0 symbol array literal)
#=> [:ruby, :"2.0", :symbol, :array, :literal]

## keyword.rb
def foo(str: "foo", num: 123456)
  [str, num]
end

p foo(str: 'buz', num: 9) #=> ['buz', 9]
p foo(str: 'bar') # => ['bar', 123456]
p foo(num: 123) # => ['foo', 123]
p foo # => ['foo', 123456]
p foo(bar: 'buz') # => ArgumentError

## prepend.rb
class C
   def x; "x"; end
end

module M
   def x; '[' + super + ']'; end
   def y; "y"; end
end

class C

## prepend2.rb
class C
   def x; "x"; end
end

module M
   def x; '[' + super + ']'; end
   def y; "y"; end
end

class C

## refinements.rb
module TimeExtensions
  refine Fixnum do
    def minutes; self * 60; end
  end
end

class MyApp
  using TimeExtensions
  def initialize
    p 2.minutes

## onigmo.rb
regexp = /^([A-Z])?[a-z]+(?(1)[A-Z]|[a-z])$/

p regexp =~ "foo"   #=> 0
p regexp =~ "foO"   #=> nil
p regexp =~ "FoO"   #=> 0

## enum.rb
natural_numbers = Enumerator.new do |yielder|
  number = 1
  loop do
    yielder.yield number
    number += 1
  end
end

p natural_numbers.select { |n| n.odd? }.take(5).to_a
	#!/bin/ruby
	require "cgi"
	STDOUT.print CGI.escapeHTML(ARGV.size>0 ? File.read(ARGV[0]) : STDIN.read)
	<!DOCTYPE HTML>
	<html>
	<head>
	<title>HTML escape test</title>
	</head>
	<body>
	<p>This is a test.</p>
	</body>
	</html>
	p [:ruby, :"2.0", :symbol, :array, :literal]
	#=> [:ruby, :"2.0", :symbol, :array, :literal]
	p %i(ruby 2.0 symbol array literal)
	#=> [:ruby, :"2.0", :symbol, :array, :literal]
	def foo(str: "foo", num: 123456)
	[str, num]
	end

	p foo(str: 'buz', num: 9) #=> ['buz', 9]
	p foo(str: 'bar') # => ['bar', 123456]
	p foo(num: 123) # => ['foo', 123]
	p foo # => ['foo', 123456]
	p foo(bar: 'buz') # => ArgumentError
	class C
	def x; "x"; end
	end

	module M
	def x; '[' + super + ']'; end
	def y; "y"; end
	end

	class C
	module TimeExtensions
	refine Fixnum do
	def minutes; self * 60; end
	end
	end

	class MyApp
	using TimeExtensions
	def initialize
	p 2.minutes
	regexp = /^([A-Z])?[a-z]+(?(1)[A-Z]\|[a-z])$/

	p regexp =~ "foo" #=> 0
	p regexp =~ "foO" #=> nil
	p regexp =~ "FoO" #=> 0
	natural_numbers = Enumerator.new do \|yielder\|
	number = 1
	loop do
	yielder.yield number
	number += 1
	end
	end

	p natural_numbers.select { \|n\| n.odd? }.take(5).to_a