!636
!modern

main {
  static S programID;
  static S searchFor;
  static int count;
  
  psvm {
    if (args.length == 0) {
      print("I search for files under the current directory.");
      print("Syntax: " + programID + " filetosearch");
    }
    searchFor = args[0];

    scan(".");
    
    if (count == 0) print("No results.");
  }
  
  static void scan(S file) {
    scan(new File(file));
  }
  
  static S makeSearchPattern(S pat) {
    return pat.replace(".", "\\.").replace("*", ".*"); // rough...
  }
  
  static boolean match(S pat, File f) {
    return Pattern.compile(makeSearchPattern(pat), Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE).matcher(f.getName()).matches();
  }
  
  static void scan(File f) {
    if (match(searchFor, f)) {
      print("Found " + (f.isFile() ? "file" : "dir") + ": " + f.getPath());
      ++count;
    }
    if (f.isDirectory()) {
      File[] l = f.listFiles();
      if (l != null) for (File x : l) scan(x);
    }
  }
}

Began life as a copy of #1000702