// Word count.  Usage: java Wc filename
// Print each word in filename on a separate line in upper
// case characters.  Then print a count of the number of words.
// A word is any sequence of letters separated by other characters.

import java.io.*;

class Wc {
  public static void main(String argv[]) {

    // Open the input file, report errors
    try {

      // Open input file.  Errors are caught below
      InputStream f=new FileInputStream(argv[0]);

      // Count words
      int c;  // Current character
      boolean last_char_was_letter=false;  // Previous character type
      int count=0;  // Number of words
      while ((c=f.read())>=0) {  // Until -1 (EOF)
        if (Character.isLetter((char)c)) {
          c=Character.toUpperCase((char)c);
          if (!last_char_was_letter) {
            last_char_was_letter=true;
            ++count;
          }
          System.out.write(c);
        }
        else if (last_char_was_letter) {
          last_char_was_letter=false;
          System.out.write('\n');
        }
      }

      // Print result
      System.out.println(argv[0]+" has "+count+" words");

      // Close file
      f.close();

    }
    catch(FileNotFoundException x) {
      System.out.println("File not found: "+argv[0]);
    }
    catch(ArrayIndexOutOfBoundsException x) {  // for argv
      System.out.println("Usage: java Wc filename");
    }
    catch(IOException x) {  // Other exception, print it
      System.out.println(""+x);
    }
  }
}