Quick Scala program reading a Mac's keychain-dump, and displaying it quite nicely

dump_mac_keychain_display.scala

import io.Source

object Main {

  def formatInfos( infos:Array[String], password:String ) = {
    val source = infos
      .filter( _.contains("0x00000007 <blob>=") ).head.split( "<blob>=" ).last

    val login  = infos
      .filter( _.contains("\"acct\"<blob>=") ).head.split( "<blob>=" ).last

    val pass   = password.split( "data:" ).last.split("\n\"|\"$")(1)

    if ( pass.size > 1 )
      println (
        "Source: \u001b[96m" + source + "\u001b[0m\n"
        + "  \u001b[0mLogin: \u001b[96m" + login + "\n"
        + "  \u001b[0mPassword: \u001b[96m" + pass + "\u001b[0m\n"
      )
  }

  def showDatas( datas:List[Array[String]] ) =
    datas.filter( e => e.last.size < 80 && e.last.size > 7 )
      .foreach ( e => formatInfos( e.head.split("\\n"), e.last ) )

  def getDatas( content:Array[String] ) = {
    val PAT    = "attributes:|data:"
    var datas  = List[Array[String]]()

    content.map { e =>
      PAT.r.replaceAllIn(e, "_-s-_$0")
    }.foreach { e =>
      datas ++= ( e.split("_-s-_")
        .filter( s => ! PAT.r.findAllIn(s).isEmpty )
        .toArray :: Nil
      )
    }

    showDatas( datas )
  }

  def readFile( file:String ) = {
    val content = Source.fromFile( file ).mkString
    val arr     = content.split("keychain: ")
      .filter( _.contains("data:") )
      .toArray

    getDatas( arr )
  }

  def main(av:Array[String]) = av.size match {
    case 1 => readFile( av.head )
    case _ => println( "Please give a file to parse" )
  }

}