BytesLengthConverter

LongExtensions.scala

import java.lang.Math._

object LongExtensions {

  implicit class BytesLengthConverter(val bytes: Long) extends AnyVal {
    def humanReadableByteCount(si: Boolean = false): String = {
      val unit = if (si) 1000 else 1024
      if (bytes < unit) bytes + "B"
      else {
        val exp = (log(bytes) / log(unit)).toInt
        val pre = (if (si) "kMGTPE" else "KMGTPE").charAt(exp - 1) + (if (si) "" else "i")
        "%.1f%sB".format(bytes / pow(unit, exp), pre)
      }
    }
  }

}