c++ Programming Glossary: fstream
Copy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way 0 KISS C Streambuffer WAY #include iostream #include fstream #include ctime using namespace std int main clock_t start end.. namespace std int main clock_t start end start clock ifstream source from.ogv ios binary ofstream dest to.ogv ios binary dest.. start end start clock ifstream source from.ogv ios binary ofstream dest to.ogv ios binary dest source.rdbuf source.close dest.close..
Getting a FILE* from a std::fstream http://stackoverflow.com/questions/109449/getting-a-file-from-a-stdfstream a FILE from a std fstream Is there a cross platform way to get a C FILE handle from a.. a cross platform way to get a C FILE handle from a C std fstream The reason I ask is because my C library accepts fstreams and.. fstream The reason I ask is because my C library accepts fstreams and in one particular function I'd like to use a C library..
CSV parser in C++ http://stackoverflow.com/questions/1120140/csv-parser-in-c that object #include iterator #include iostream #include fstream #include sstream #include vector #include string class CSVRow.. CSVRow data data.readNextRow str return str int main std ifstream file plop.csv CSVRow row while file row std cout 4th Element.. rhs private std istream m_str CSVRow m_row int main std ifstream file plop.csv for CSVIterator loop file loop CSVIterator loop..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor is left to take care of business. An example std fstream The close method can potentially throw an exception. The destructs..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line until EOF repeats last line The following C code uses a ifstream object to read integers from a text file which has one number.. line twice How to fix this Code #include iostream #include fstream using namespace std int main ifstream iFile input.txt input.txt.. iostream #include fstream using namespace std int main ifstream iFile input.txt input.txt has integers one per line while iFile.eof..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring read it into a char the answer would be very simple std ifstream t int length t.open file.txt open input file t.seekg 0 std ios.. a char . I want to avoid loops I. E. I don't want to std ifstream t t.open file.txt std string buffer std string line while t.. following code presenting the current best answer #include fstream #include string #include cerrno std string get_file_contents..
mmap() vs. reading blocks http://stackoverflow.com/questions/45972/mmap-vs-reading-blocks of thumb for using mmap versus reading in blocks via C 's fstream library What I'd like to do is read large blocks from disk into.. could potentially like across page boundaries. With fstreams I can just seek to the start of a record and begin reading.. of thumb e.g. mmap is 2x faster or simple tests c file io fstream mmap blocks share improve this question mmap is way faster...
How do you serialize an object in C++? http://stackoverflow.com/questions/523872/how-do-you-serialize-an-object-in-c s Actual serialization is then pretty easy #include fstream std ofstream ofs filename.dat std ios binary create class instance.. serialization is then pretty easy #include fstream std ofstream ofs filename.dat std ios binary create class instance const..
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