C++ File Input/Output Streams

To perform file processing in C++, the header files essential are __________ and __________.

The __________ is the base class for all the classes that provide input/output operations.

The namespace __________ is used to provide classes and functions for working with files, directories, and paths.

The function __________ is used to create a directory in C++.

The function __________ is used to check the existence of a file in C++.

The __________ is used to iterate over directories in C++.

The header file __________ is included to perform file processing in C++.

The __________ is used to specify the path of a file in C++.

C++ Files and Streams

The C++ header files iostream and filesystem are essential for file processing, providing classes and functions for working with files, directories, and paths in a platform-independent manner.

File Organization and Manipulation

The ios class is the base class for all file processing classes.
The filesystem namespace provides several member functions for performing input/output operations.

Creating Directories

To create a directory, use the fs::create_directory() function, specifying the directory path as an argument, e.g., fs::create_directory("…/FileOrganization/").

Checking File Existence

To check if a file exists, use the fs::exists() function, passing the file path as an argument, e.g., fs::path filepath="…/FileOrganization/mina.txt"; if(fs::exists(filepath)){ ………….}.

Iterating over Directories

To iterate over directories, use the fs::directory_iterator() function, passing the directory path as an argument, e.g., fs::path dirpath="…/FileOrganization/"; for(const auto& entry : fs::directory_iterator(dirpath)) { std::cout …… }.

This quiz covers C++ files and streams, including reading and writing sequential and random access files, and I/O formatting. Prepared by Dr. Mina Younan for IS211.