ifstream examplefile ("example.txt"); if (! examplefile.is_open()) { cout << "Error opening file"; exit (1); } while (! examplefile.eof() ) { examplefile.getline (buffer,100); cout << buffer << endl; } return 0; } This is a line. This is another line.上面的例子读入一个...
因此,您可以ifstream通过使用类似以下内容的信息来进一步了解打开失败时发生的情况:cerr << "Error: " ...
When you do this, relative filepaths that are used in your program are relative to the ./ dir -- not the one which contains the program. For example, if I want to open ex.txt when running ./build/a.out (and ex.txt is in the same directory as build), my program should have the...
string s;while(file >> s) { cout <<"Read From File["<< s <<"]"<<endl; } }//带检测文件名功能voidfileReadWithErrCheck(){ string fileName ="file .dat";std::ifstreamfin(fileName.c_str());if(!fin) { cout <<"Error Opening file:["<< fileName <<"]"<<" for input "<< en...
ifstream examplefile ("example.txt"); if (! examplefile.is_open()) { cout << "Error opening file"; exit (1); } while (! examplefile.eof() ) { examplefile.getline (buffer,100); cout << buffer << endl; } return 0; }
in_File.good()) { std::cout << "BSAFolderRecord::loadFromStream: Error: could not read hash!\n"; return false; } //rest of it in_File.read((char*) &count, 4); in_File.read((char*) &offset, 4); if (!in_File.good()) { std::cout << "BSAFolderRecord::loadFromStream:...
polyscan.BedFilterorNot(); }// check bam list filefinM.open(bamListFile.c_str());if(!finM) {std::cerr<<"fatal error: failed toopenbam list file\n";exit(1); }std::cout<<"loading bam list ..."<<std::endl; polyscan.LoadBams(finM);// check homo/microsate filefinH.open(hom...
1. /readingatextfile2. #include3. #include4. #include5. 6. intmain()7. charbuffer256;8. ifstreamin(test.txt);9. if(!in.is_open()10. co 10、utErroropeningfile;exit(1);11. while(!in.eof()12. 13. in.getline(buffer,100);14. coutbufferendl;15. 16. return0;17. 18. /结果...
ifstream fin( filename.c_str()); if( !fin ) { cout << "Error opening " << filename << " for input" << endl; exit(-1); } } int main() { ReadDataFromFileWBW(); //逐词读入字符串 OutPutAnEmptyLine(); //输出空行
Sig... size_t pos = findInStream(MapFile, "!ID!"); MapFile.seekg( pos, std::ios::beg ); if(pos != std::string::npos) return true; gLogging.textOut("Warning! Your are opening a map which is not correctly signed. Some Mods, using different Editors, have that issue!!"); g...