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C++ read text file to a vector of lines or a string
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| #include <string> | |
| #include <iostream> | |
| #include <fstream> | |
| #include <vector> | |
| std::vector<std::string> utils::files::readLines(const std::string& filename) { | |
| std::ifstream ifs(filename); | |
| std::vector<std::string> lines; | |
| if (!ifs) { | |
| std::cerr << "Cannot open file: " << filename << std::endl; | |
| } else { | |
| for (std::string line; std::getline(ifs, line); /**/) { | |
| lines.push_back(line); | |
| } | |
| std::cout << std::to_string(lines.size()) << " lines read from [" << filename << "]" << std::endl; | |
| } | |
| return lines; | |
| } | |
| std::string utils::files::readFileToString(const std::string& file) { | |
| std::cout << "Read string from file [" << file << "]" << std::endl; | |
| std::ifstream t(file); | |
| std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>()); | |
| return str; | |
| } |
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