/** returns number of lines in file */
public static int numAllFileLines(File f, String ext) throws IOException {
if (f.isFile()) return (f.getName().endsWith(ext) ? numFileLines(f) : 0);
int counter = 0;
Announce.doing("Counting in", f);
for (File f2 : f.listFiles()) {
counter += numAllFileLines(f2, ext);
}
Announce.done();
return (counter);
}
/** Constructs FileLines from a file, shows progress bar (main constructor 2) */
public FileLines(File f, String announceMsg) throws IOException {
if (announceMsg != null) {
Announce.progressStart(announceMsg, f.length());
announceChars = 0;
}
br = new BufferedReader(new FileReader(f));
}
/** Closes the reader */
public void close() {
try {
br.close();
} catch (IOException e) {
}
if (announceChars != -1) Announce.progressDone();
announceChars = -1;
}
/**
* Returns next line. In case of an IOException, the exception is wrapped in a RuntimeException
*/
public String internalNext() {
String next;
try {
next = br.readLine();
if (announceChars != -1 && next != null) Announce.progressAt(announceChars += next.length());
} catch (IOException e) {
throw new RuntimeException(e);
}
return (next);
}