Class: TechnoGate::Contao::System

Inherits:
Object
  • Object
show all
Defined in:
lib/contao/system.rb

Defined Under Namespace

Classes: ErrorDuringExecution

Class Method Summary collapse

Class Method Details

.quiet_system(cmd, *args) ⇒ Object

prints no output



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# File 'lib/contao/system.rb', line 26

def self.quiet_system cmd, *args
  self.system(cmd, *args) do
    $stdout.close
    $stderr.close
  end
end

.safe_system(cmd, *args) ⇒ Object

Kernel.system but with exceptions



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# File 'lib/contao/system.rb', line 18

def self.safe_system cmd, *args
  unless self.system cmd, *args
    args = args.map{ |arg| arg.to_s.gsub " ", "\\ " } * " "
    raise ErrorDuringExecution, "Failure while executing: #{cmd} #{args}"
  end
end

.system(cmd, *args) ⇒ Object 



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# File 'lib/contao/system.rb', line 6

def self.system cmd, *args
  fork do
    yield if block_given?
    args.collect!{|arg| arg.to_s}
    exec(cmd, *args) rescue nil
    exit! 1 # never gets here unless exec failed
  end
  Process.wait
  $?.success?
end