Edi Processor

edi.scala

case class EdiLine(field1: String, field2: String, field3: String)

object EdiLine {
  def fromLines(lines: List[String]): List[EdiLine] = {
    lines.map { line =>
      EdiLine(line.substring(0, 10), line.substring(11, 15), line.substring(16, 20))
    }
  }
  
  def fromFile(fileName: String): List[EdiLine] = {
    val lines = 
      Source
        .fromFile(fileName)
        .getLines
    
    fromLines(lines)
  }
}