#include <string>
#include <iostream>
#include <algorithm>
#include <tclap/CmdLine.h>

using namespace TCLAP;
using namespace std;

int main(int argc, char** argv)
{
  // Wrap everything in a try block.  Do this every time, 
  // because exceptions will be thrown for problems. 
  try {  

  // Define the command line object.
  CmdLine cmd("Command description message", ' ', "0.9");

  // Define a value argument and add it to the command line.
  ValueArg<string> nameArg("n","name","Name to print",true,"homer","string");
  cmd.add( nameArg );

  // Define a switch and add it to the command line.
  SwitchArg reverseSwitch("r","reverse","Print name backwards", false);
  cmd.add( reverseSwitch );

  // Parse the args.
  cmd.parse( argc, argv );

  // Get the value parsed by each arg. 
  string name = nameArg.getValue();
  bool reverseName = reverseSwitch.getValue();

  // Do what you intend too...
  if ( reverseName )
  {
    reverse(name.begin(),name.end());
    cout << "My name (spelled backwards) is: " << name << endl;
  }
  else
    cout << "My name is: " << name << endl;


  } catch (ArgException &e)  // catch any exceptions
  { cerr << "error: " << e.error() << " for arg " << e.argId() << endl; }
}

