File Handling in Python

 

Python File Handling

File handling is always an important part of any application on large scale.

Python supports four modes to open a File.

• "r"    :  to read, open the file in read mode, return file not found error if file not found

• "w"   : to write, open a file in write mode with existing data erased in file, creates file if file not exist

• "a"    : to append, open file in append keeping existence data as it is, creates file if not exist.

• "x"    : to create, creates a specified file, throws file exist error if file exists.

All four open mode supports 2 additional parameter to select type of file

• "t"   : text file, to create, read, open file text file (this is default mode)

• "b"  : binary file, to create binary files or files to store image.

Default Mode : 

• By default the mode is "rt", open text file in read mode.

• Return error if file does not exist.

File Handling>>>>>