private boolean compareLines(
     final String refText, final String text, final CompareStatistics statistics)
     throws IOException {
   log("running comparison");
   final LineNumberReader lnrRef = new LineNumberReader(new StringReader(refText));
   final LineNumberReader lnrOther = new LineNumberReader(new StringReader(text));
   String lineRef;
   String lineOther;
   while ((lineRef = lnrRef.readLine()) != null) {
     lineOther = lnrOther.readLine();
     if (lineOther == null) {
       statistics.failedRefIsLonger();
       return false;
     }
     if (!lineRef.equals(lineOther)) {
       statistics.failedDontMatch(lineRef, lineOther);
       return false;
     }
   }
   if (lnrOther.readLine() != null) {
     statistics.failedOtherIsLonger();
     return false;
   }
   return true;
 }