Module: Pru

Defined in:
lib/pru.rb

Constant Summary collapse

VERSION = 
File.read( File.join(File.dirname(__FILE__),'..','VERSION') ).strip

Class Method Summary collapse

Class Method Details

.map(io, code) ⇒ Object 



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# File 'lib/pru.rb', line 7

def self.map(io, code)
  String.class_eval <<-RUBY, __FILE__, __LINE__ + 1
    def _pru(i)
      #{code}
    end
  RUBY

  i = 0
  io.each_line do |line|
    i += 1
    line.chomp!
    result = line._pru(i) or next

    case result
    when true then yield line
    when Regexp then yield line if line =~ result
    else yield result
    end
  end
end

.reduce(array, code) ⇒ Object 



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# File 'lib/pru.rb', line 28

def self.reduce(array, code)
  Array.class_eval <<-RUBY, __FILE__, __LINE__ + 1
    def _pru
      #{code}
    end
  RUBY
  array._pru
end