Class: RDialogy::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/rdialogy/base.rb

Class Method Summary collapse

Class Method Details

.run(options = {}, std_err = false) ⇒ Object

assembles the arguments for dialog and executes them, if std_err is true STDERR is captured and returned, optionally formatted by supplied block.



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# File 'lib/rdialogy/base.rb', line 10

def self.run(options={}, std_err = false)
  cmd = dialog_string options

  if std_err
    begin
      tmp = Tempfile.new('tmp')
      cmd += ' 2> ' + tmp.path
    
      system cmd

      output = String.new
      while true
        output += tmp.readline
      end
    rescue EOFError
      if block_given?
        return yield output
      else
        return output
      end
    ensure
      tmp.close
    end
  else
    system cmd
  end
end