little_tools/arch_tool/stat.cc

// =====================================================================================
//
//       Filename:  stat.cc
//
//    Description:  read one result
//
//        Version:  1.0
//        Created:  2018年 03月 16日 星期五 22:02:12 CST
//       Revision:  none
//       Compiler:  g++
//
//         Author:  Jinkun Lin, jkunlin@gmail.com
//   Organization:  School of EECS, Peking University
//
// =====================================================================================
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
using namespace std;

int main(int argc, char const *argv[]) {
	if (argc != 2) {
		return 1;
	}
	string filename = argv[1];
	ifstream infile(filename);
	if (!infile) {
		std::cout << "file" << std::endl;
		return 1;
	}

	size_t b = filename.find_last_of('_') + 5;
	size_t e = filename.find_last_of('.');
	string seed = filename.substr(b, e - b);

	double cutoff = 120;

	string line, tmp;
	int size, old_size = 0;
	double time, old_time = 0;
	char exact = 'h';

	while (getline(infile, line)) {
		istringstream is(line);
		is >> tmp >> size >> time;
		if (time > cutoff) {
			size = old_size;
			time = old_time;
		}
		else {
			old_size = size;
			old_time = time;
		}
	}

	std::cout << seed << '\t' << size << '\t' <<  time << '\t' << exact << std::endl;

	return 0;
}