python--Common Modules

Import OS


Print (OS.GETCWD ())  # Fetch the current working directory, absolute Path

Os.chdir ("..")  # Change the current directory

Print (Os.curdir)  # current directory, relative path

Print (Os.pardir)  # Parent directory, relative path

Os.mkdir ("Test1")  # Create a folder or write an absolute path, default to the current directory

Os.rmdir ("Test1")  # Delete the specified folder, only the empty folder

Os.remove ("Test")  # Delete file, cannot delete folder

Print (Os.listdir ('. '))  # list all files in one directory
Print (Os.listdir (R ' d:\\ '))

Os.rename ("Test", "Test1")  # renamed, followed by new name

Print (Os.stat ("F1"))  # get file information

Print (__file__)  # is the absolute path to this file, the delimiter is incorrect under windows
Print (Os.path.abspath (__file__))  # get absolute path

Print (Os.path.split ("/usr/hehe/hehe.txt"))  # split path and file name

Print (Os.path.dirname ("/usr/local"))  # Get Parent Directory

Print (Os.path.basename ("/usr/local"))  # Gets the last level, if the file display filename, if the directory is displayed directory name

Print (Os.path.exists ("/usr/local"))  # Directory/file exists

Print (Os.path.isfile ("F1"))  # To determine if it is a file

Print (Os.path.isdir ("/usr/local"))  # is a folder

Print (Os.path.join ("root", ' hehe ', ' a.sql '))  # stitching into a path

# print (OS.SEP)  # Path delimiter for the current operating system
#
# print (OS.LINESEP)  # line break for the current operating system
#
# print (OS.PATHSEP)  # The delimiter for each path in the environment variables of the current system, Linux is:, Windows is;
#
# print (Os.environ)  # Environment variables for the current system
#
# print (os.name)  # current system name

Os.system (' calc ')  # used to execute operating system commands, can only execute, get no results

res = Os.popen (' ipconfig ')  # used to execute operating system commands, and get to return results
Print (Res.read ())

# import Sys

# print (Sys.path)  # Environment variables
# print (sys.platform)  # See what the current operating system is
# print (sys.version)  # See Python version
# print (SYS.ARGV)  # Gets the parameters passed in when the Python file is run

# quit ()  # Quit Program
# Print (Sys.exit (' Exit Program '))  # Exit program, Exit normally (0)

python--Common Modules