Seekable

    import scalax.io._
    import java.io.File

    // see codec example for why codec is required
    implicit val codec = scalax.io.Codec.UTF8

    val file: Seekable =  Resource.fromFile(new File("file"))

    // write "people" after character 6
    // if the file is < 6 characters an underflow exception is thrown
    // if the patch extends past the end of the file then the file is extended
    // Note: If the offset is always dependent on the data being written
    file.patch(6, "people",OverwriteAll)
    file.patch(6, "people",OverwriteAll)(Codec.UTF8)

    // patch the file with a traversable of bytes
    // patch starts after 6th byte
    file.patch(6, "people".getBytes,OverwriteAll)

    // Overwrite only 2 bytes that are in the file.
    // the extra bytes will be inserted
    file.patch(2,List[Byte](1,2,3),OverwriteSome(2))