code: @Override
      protected void doHandle(CommandContext ctx) throws CommandFormatException {
          final ParsedCommandLine line = ctx.getParsedCommandLine();
          String result = line.getSubstitutedLine().trim().substring(line.getOperationName().length()).trim();
          if(ctx.isResolveParameterValues()) {
              result = CLIExpressionResolver.resolve(result);
          }
          // apply escape rules
          int i = result.indexOf('\\');
          if(i >= 0) {
              final StringBuilder buf = new StringBuilder(result.length() - 1);
              buf.append(result.substring(0, i));
              boolean escaped = true;
              while(++i < result.length()) {
                  if(escaped) {
                      buf.append(result.charAt(i));
                      escaped = false;
                  } else {
                      final char c = result.charAt(i);
                      if(c == '\\') {
                          escaped = true;
                      } else {
                          buf.append(c);
                      }
                  }
              }
              result = buf.toString();
          }
          ctx.printLine(result);
      }
docs: /* (non-Javadoc)
  @see org.jboss.as.cli.handlers.CommandHandlerWithHelp#handle(org.jboss.as.cli.CommandContext, java.lang.String)