Module: Vow::Helper

Defined in:
lib/vow/helper.rb

Class Method Summary collapse

Class Method Details

.printable_command(command) ⇒ Object 



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# File 'lib/vow/helper.rb', line 17

def self.printable_command(command)
  simple_command = true
  command.each do |word|
    unless %r|^[[[:alnum:]].+_/-]+$|.match?(word)
	simple_command = false
	break
    end
  end

  if simple_command
    return command.join(' ')
  else
    return command.to_s
  end
end

.refine_command(command) ⇒ Object 



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# File 'lib/vow/helper.rb', line 2

def self.refine_command(command)
  refined = command.flatten.select {|a| !a.nil?}

  if refined.length == 0
    raise "Nothing to run"
  end

  cmdname = refined[0]
  if cmdname.include?(' ')
     raise "Command name does not follow safe pattern: '#{cmdname}'"
  end

  refined
end