timstamp.cpp

#include <string>
#include <iomanip>
#include <sstream>
#include <ctime>
void tmstamp() {
	std::stringstream stream;
	
	time_t rawtime;
	tm * timeinfo;

	time(&rawtime);
	timeinfo = localtime(&rawtime);

	stream << (timeinfo->tm_year) + 1900 << "/" 
		<< std::setfill('0') << std::setw(2) << setiosflags(ios_base::right) << timeinfo->tm_mon +1
		<<  "/" << timeinfo->tm_mday << " "
		<< timeinfo->tm_hour
		<< ":" << timeinfo->tm_min
		<< ":" << timeinfo->tm_sec;
	// The str() function of output stringstreams return a std::string.
	cout << stream.str() << endl;
}