Jenkins - delete offline slave nodes

gistfile1.txt

Closure query = { it.name ==~ /^.*$/  }
Closure action = {
  println('====================')
  println("Name: ${it.name}")
  println("LabelString: ${it.labelString}")
  println("NumExectutors: ${it.numExecutors}")
  println("RemoteFS: ${it.remoteFS}")
  println("Mode: ${it.mode}")
  println("RootPath: ${it.rootPath}")
  println("Offline: ${it.computer.offline}")
  
  if (it.computer.offline) {
    println("Deleting node: ${it.name}")
    it.computer.doDoDelete()
  }
}

Jenkins.instance.slaves.findAll(query).each(action)
return