File input = new File(inputDir, "test.txt");
params.set(PFPGrowth.INPUT, input.getAbsolutePath());
params.set(PFPGrowth.OUTPUT, outputDir.getAbsolutePath());
Writer writer = Files.newWriter(input, Charsets.UTF_8);
try {
StringRecordIterator it = new StringRecordIterator(new FileLineIterable(Resources.getResource(
"retail.dat").openStream()), "\\s+");
Collection<List<String>> transactions = Lists.newArrayList();
while (it.hasNext()) {
Pair<List<String>,Long> next = it.next();
transactions.add(next.getFirst());
}
for (List<String> transaction : transactions) {
String sep = "";