`rails runner` in Play framework http://motemen.hatenablog.com/entry/2014/03/13/Play_Framework_%E3%81%A7_%60rails_runner%60_%E7%9A%84%E3%81%AA%E3%81%93%E3%81%A8%E3%82%92%E5%AE%9F%E7%8F%BE%E3%81%99%E3%82%8B

build.sbt

…
 
lazy val root = project in file(".")
 
lazy val tasks = project in file("tasks") dependsOn(root)

cliTask.scala

// tasks/cliTask.scala
// run as: sbt 'tasks/runMain cliTask {args}'
 
import play.api.Play
import play.api.Play.current
 
object cliTask extends play.core.StaticApplication(new java.io.File(".")) {
    def main(args: Array[String]) {
        try {
          …
        } finally {
          Play.stop()
        }
    }
}