Tagged: file

About c++ : why-stdofstreamflush-does-not-work-normally-But-work-when-use-gdb-attach-preference

Question Detail void Fms::WriteFile(const char* p_buf, const int& p_len){ // printf(“p_buf=%ld”,p_buf); /* string FileName(_fileDir + FileNamePre + “_” + std::to_string(p_tradingDay) + “.csv”); ofstream &out = _fileHandle; out.open(FileName, std::ios::app|std::ios::out); */ _fileHandle.write(p_buf, p_len); cnt_++; //_fileHandle.flush(); if(cnt_...

About c : Overwrite-a-file-instead-of-appending-to-it

Question Detail I’m a newbie linux programmer that ordered to be a sitin for my colleague. I opened up a file with this line: err = open(“path/foo.txt”, O_RDWR | O_CREAT,0777); And now I write...

About linux : Execute-rm-with-string-on-file-and-delete-line

Question Detail I have a file (log.txt) with multiples lines. Uploaded 1Y3JxCDpjsId_f8C7YAGAjvHHk-y-QVQM at 1.9 MB/s, total 3.9 MB Uploaded 14v58hwKP457ZF32rwIaUFH216yrp9fAB at 317.3 KB/s, total 2.1 MB Each line in log.txt represents a file that...