gistfile1.java

TrueFxDecoder decoder = new TrueFxDecoder();
FileReader<TrueFxData> reader = FileReader.create(decoder, file.listFiles());
long periodLength = TimeUnit.DAYS.toMillis(1);
PeriodEntries<TrueFxData> periods = PeriodEntries.create(reader, periodLength);
 
for (List<TrueFxData> entries : periods) {
   // data for each day
   for (TrueFxData entry : entries) {
     // process each entry
   }
}