open

This file() function opens a file returning a file object.

Syntax

file(name, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True, opener=None)

Here,

name: Optional. Full file path.
mode: Optional. Possible values:
- ‘r’ open for reading (default)
- ‘w’ open for writing, truncating the file first
- ‘a’ open for writing, appending to the end of the file if it exists
- ‘b’ binary mode
- ‘t’ text mode (default)
- ‘+’ open a disk file for updating (reading and writing)
- ‘U’ universal newlines mode (for backward compatibility; should not be used in new code)
buffering: Optional. setting buffering policy.
encoding: Optional. the encoding format
errors: Optional. a string specifying how to handle encoding/decoding errors
newline: Optional. how newlines mode works (available values: None, ' ', '\\n', 'r', and '\\r\\n'
closefd: Optional. must be True (default); if given otherwise, an exception will be raised
opener: Optional. a custom opener; must return an open file descriptor.

Examples

>>> f = open("test.txt")
>>> f = open("/home/cloudyfox/Downloads/test.txt")

With mode

>>> # In reading mode
>>> f = open("path_to_file", mode='r')

>>> # In writing mode 
>>> f = open("path_to_file", mode = 'w')

>>> # opens for writing to the end 
>>> f = open("path_to_file", mode = 'a')

With encoding

>>> f = open("path_to_file", mode = 'r', encoding='utf-8')