private static Reader openInput(String from){
  try {
    return CliUtils.reader(from);
  }
 catch (  IOException e) {
    log.error("Error finding input",e);
    System.exit(1);
    return null;
  }
}

private static Reader openInput ( String from ) { try { return CliUtils . reader ( from ) ; } catch ( IOException e ) { log . error ( "Error finding input" , e ) ; System . exit ( 1 ) ; return null ; } }
open the input using the " from " parameter , exiting on failure .
