/*
 * =====================================================================================
 *
 * Filename: String.cpp
 *
 * Description:
 *
 * Version: 1.0
 * Created: 2017年03月02日 16:25:04
 * Last Modified: 2021年09月16日 23:29:49
 * Revision: none
 * Compiler: gcc
 *
 * Author: zt (),
 * Organization:
 *
 * =====================================================================================
 */

#include <iostream>
#include <fstream>
#include <string>
#include <cstring>
#include <cstdlib>
#include <cstdio>

int main ( int argc, char* argv[] )
{
 ( void ) argc;
 ( void ) argv;

 std::string str = "FILENAMEJKLMNOPQskkk";

 std::size_t fd = str.find ( "Q" );
 std::size_t rfd = str.rfind ( "Q" );

 printf ( "fd=%zu rfd=%zu sz=%zu\n", fd, rfd, str.size() );
 str.erase ( fd );
 std::cout << str << std::endl;

#if 0

 //str.replace ( str.find ( "sssa" ), strlen ( "sssa" ), "kkk" );
 for ( auto iter = str.rbegin(); iter != str.rend(); ++iter )
 std::cout << *iter;

 std::cout << std::endl;

 for ( auto& ele : str )
 std::cout << ele;

 std::cout << std::endl;

 std::ifstream file ( "a.txt", std::ios::in );

 if ( file )
 {
 while ( !file.eof() )
 str.push_back ( file.get() );
 }

 std::cout << str << std::endl;
#endif

 return 0;
}