MD5File.scala

import java.security.MessageDigest
import scala.io.Source

/**
 * Created by Ivan Babanin ([email protected]) on 4/6/2014
 */
object MD5File {
  def hash(filePath: String): String =
    MessageDigest.getInstance("MD5").digest(Source.fromFile(filePath).map(_.toByte).toArray)
      .map( 0xFF & _ )
      .map { "%02x".format(_) }
      .foldLeft("") { _ + _ }

  def main(args: Array[String]) {
    println(hash("src/MD5File.scala"))
  }
}