content: /*************************************************************************
   *  Compilation:  javac BinaryDump.java
   *  Execution:    java BinaryDump N < file
   *  Dependencies: BinaryStdIn.java
   *  Data file:    http://introcs.cs.princeton.edu/stdlib/abra.txt
   *  
   *  Reads in a binary file and writes out the bits, N per line.
   *
   *  % more abra.txt 
   *  ABRACADABRA!
   *
   *  % java BinaryDump 16 < abra.txt
   *  0100000101000010
   *  0101001001000001
   *  0100001101000001
   *  0100010001000001
   *  0100001001010010
   *  0100000100100001
   *  96 bits
   *
   *************************************************************************/
  
  public class BinaryDump {
  
      public static void main(String[] args) {
          int BITS_PER_LINE = 16;
          if (args.length == 1) {
              BITS_PER_LINE = Integer.parseInt(args[0]);
          }
  
          int count;
          for (count = 0; !BinaryStdIn.isEmpty(); count++) {
              if (BITS_PER_LINE == 0) { BinaryStdIn.readBoolean(); continue; }
              else if (count != 0 && count % BITS_PER_LINE == 0) StdOut.println();
              if (BinaryStdIn.readBoolean()) StdOut.print(1);
              else                           StdOut.print(0);
          }
          if (BITS_PER_LINE != 0) StdOut.println();
          StdOut.println(count + " bits");
      }
  }
  