Files and Streams in C++

Vocabulary flashcards for file I/O in C++.

ofstream

Stream class to write to files. Requires the fstream library.

ifstream

Stream class to read from files. Requires the fstream library.

fstream

A class within the fstream library that can both read and write to files. It has no default mode, so it is better to use ifstream or ofstream instead.

open(filename, mode)

A stream object member function used to open a file with a specified filename and mode.

Mode (file I/O)

Specifies how a file should be opened (e.g., read, write, append). Modes can be combined using the | operator.

ios::app

File mode that appends new data to the end of an existing file.

ios::trunc

File mode that truncates the file, deleting the old content when opening.

myfile.fail()

A method to check if opening a file has failed.

myfile.close()

A method to close the connection to a file.

getline(stream, variable)

A function that reads a line from a stream (e.g., a file) until a delimiter (newline character) is encountered, and stores it in a variable.

Quoted Text

Can read strings with quotes from a text file.