#!/usr/bin/env python
##-*- coding: utf-8 -*-
import os
print "n Welcome to study with me Python";
system=os.name; # Gets the type of system
if(system=="nt"):
print " The operating system you are using is windows";
print " use windows The specified path separator is "+os.sep; # Gets the delimiter of the system
print " Termination effect for your computer system "+os.linesep; # Gets the system newline character
else:
print " The operating system you are using is Linux";
print " use windows The specified path separator is "+os.sep;
print " The termination of your computer system is "+os.linesep;
path=os.getcwd(); # Get the current directory
print " The directory where you run this program is "+path;
print " Your computer's Path The environment variable is "+os.getenv("Path"); # Gets the value of the environment variable os.putenv(key,value) You can set the value of an environment variable
print " The files in your current folder are: ";
print os.listdir(path); # Gets all the files in the folder
if(os.path.exists("test.txt")): # Determine if the file exists
os.remove("test.txt") # Delete specified file
print "n Delete the success ";
else:
print "n File does not exist ";
print " Let's delete a file, delete the result: ";
print os.listdir(path);
print "n Look at your ip : n";
print os.system("ipconfig"); # Execute system commands
filepath1="C:Python27";
filepath2="C:Python27os.py";
if(os.path.isfile(filepath2)): # Whether it's a file or not
print filepath2+" It's a file ";
if(os.path.isfile(filepath1)):
print filepath1+" It's a file ";
else:
print filepath1+" It's not a file ";
name="os.py";
print " The size of this program is ";
print os.path.getsize(name); # Get file size
name=os.path.abspath(name); # Gets the absolute path to the file
print " The absolute path of this procedure is "+name;
print " The file names of the path of this program are: ";
print os.path.split(name); # Separate the file name from the path
files=os.path.splitext(name); # Separate the file name from the extension
print " The extension of this program is "+files[1];
print " The file name of this program is "+os.path.basename(name);# Gets the name of the file
print " The path of this program is "+os.path.dirname(name);# Gets the path to the file