read Dir

readDir.cpp

#include <io.h>

/**
 * readDir("F://pic", files, "jpg")
 */
bool readDir(string dirPath, vector<string>& files, string extension)
{
	long fd;
	_finddata_t fileInfo;
	string matchPath = dirPath + "/*." + extension;
	if ((fd=_findfirst(matchPath.c_str(), &fileInfo)) == -1) {
		return false;
	}
	do {
		files.push_back(fileInfo.name);
	} while (_findnext(fd, &fileInfo) == 0);
	_findclose(fd);
	return true;
}