oli*_*dev 9 c++ boost-filesystem
我正在使用Boost::FileSystem在Linux平台下运行的C++库,我有一个问题如下:
我想要一个比给定日期时间更早修改的文件列表.我不知道是否boost::FileSystem提供这样的方法:
vector<string> listFiles = boost::FileSystem::getFiles("\directory", "01/01/2010 12:00:00");
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如果是,请提供示例代码?
nab*_*lke 14
Boost :: filesystem不提供完全相同的功能.但你可以用这个:
http://www.boost.org/doc/libs/1_45_0/libs/filesystem/v3/doc/reference.html#last_write_time
作为编写自己的基础.以下是使用last_write_time的一些示例代码:
#include <boost/filesystem/operations.hpp>
#include <ctime>
#include <iostream>
int main( int argc , char *argv[ ] ) {
if ( argc != 2 ) {
std::cerr << "Error! Syntax: moditime <filename>!\n" ;
return 1 ;
}
boost::filesystem::path p( argv[ 1 ] ) ;
if ( boost::filesystem::exists( p ) ) {
std::time_t t = boost::filesystem::last_write_time( p ) ;
std::cout << "On " << std::ctime( &t ) << " the file " << argv[ 1 ]
<< " was modified the last time!\n" ;
std::cout << "Setting the modification time to now:\n" ;
std::time_t n = std::time( 0 ) ;
boost::filesystem::last_write_time( p , n ) ;
t = boost::filesystem::last_write_time( p ) ;
std::cout << "Now the modification time is " << std::ctime( &t ) << std::endl ;
return 0 ;
} else {
std::cout << "Could not find file " << argv[ 1 ] << '\n' ;
return 2 ;
}
}
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