CSE 1010 Lecture Notes - Lecture 15: Empty String, Gnu Readline, Mkdir

• School: UConn
• Department: Computer Science and Engineering
• Course: CSE 1010
• Professor: Jeffrey Meunier

Document Summary

A collection of data or information that is stored in secondary device. Used for storing data which can be processed by a program. Binary files (contain non-ascii, audio, video, photos, etc) open() Before you can read or write a file you need to open it. W" is the mode, determines the mode in which the file has to be opened. Myfile" is a string containing the file name. File pointer is placed at the beginning of the file. Creates a new file for reading and writing if it does not exist. Creates a new file for writing if it does not exist. File pointer is placed at the end of the file in append mode if it exists. Creates a new file for writing and reading if it does not exist. Fileobject. close - returns true if file is closed, false if file is open. After, no more writing can be done without opening again.