static String _min = "${min;<list>[;<list>...]}";
public String _min(String args[]) throws Exception {
verifyCommand(args, _min, null, 2, Integer.MAX_VALUE);
List<String> list = toList(args, 1, args.length);
String a = null;
for (String s : list) {
if (a == null || a.compareTo(s) > 0)
a = s;
}
if (a == null)
return "";
return a;
}