Python & file operation mode
create/read/write/append mode
https://docs.python.org/3/library/functions.html#open
#!/usr/bin/env python3
# coding: utf8
__author__ = 'xgqfrms'
__editor__ = 'vscode'
__version__ = '1.0.1'
__copyright__ = """
Copyright (c) 2012-2050, xgqfrms; mailto:xgqfrms@xgqfrms.xyz
"""
"""
/**
*
* @author xgqfrms
* @license MIT
* @copyright xgqfrms
* @created 2020-08-01
*
* @description
* @augments
* @example
* @link
*
*/
"""
print("write mode & close")
# append
# file = open("newfile.py", "w+a")
# file = open("newfile.py", "wa")
# ValueError: must have exactly one of create/read/write/append mode
# file = open("newfile.py", "ab+")
# TypeError: a bytes-like object is required, not 'str'
file = open("newfile.py", "a")
appended_length = file.write("appended text")
print("appended_length =", appended_length)
# appended_length = 13
file.close()
with open("newfile.py", "a") as file:
appended_length = file.write("
appended text, again")
print("appended_length =", appended_length)
# appended_length = 21
file.close()
refs
Python 2, Abandoned
https://docs.python.org/2/library/functions.html#open
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