Response r = multilineCommand("UIDL", 15 * uids.length);
if (!r.ok)
return false;
LineInputStream lis = new LineInputStream(r.bytes);
String line = null;
while ((line = lis.readLine()) != null) {
int i = line.indexOf(' ');
if (i < 1 || i >= line.length())
continue;
int n = Integer.parseInt(line.substring(0, i));
if (n > 0 && n <= uids.length)