digest ‘;’ ALGORITHM ‘;’ FILE
Description: static final String _digestHelp = "${digest;<algo>;<in>}, get a digest (e.g. MD5, SHA-256) of a file";

- # digest ';' ALGORITHM ';' FILE

      static final String _digestHelp = "${digest;<algo>;<in>}, get a digest (e.g. MD5, SHA-256) of a file";

      /**
       * Get a digest of a file.
       *
       * @throws NoSuchAlgorithmException
       * @throws IOException
       */
      public String _digest(String... args) throws NoSuchAlgorithmException, IOException {
          verifyCommand(args, _digestHelp, null, 3, 3);

          MessageDigest digester = MessageDigest.getInstance(args[1]);
          File f = domain.getFile(args[2]);
          IO.copy(f, digester);
          byte[] digest = digester.digest();
          return Hex.toHexString(digest);
      }