# 适合初学者的python实际例子

• 批量修改文件的后缀名
• 显示文件的一些信息
• 测试某个文件夹是否存在，不存在就自动创建
• 搜索所有目录下的log文件，并自动压缩归档
• 把所有创建时间超过240天的文件移动到某个文件夹
• 下载最新的漫画
• 下载视频网站的视频
• ......

• 首先照着这些代码敲一遍
• 让代码可以正确运行
• 为每一行代码写上注释
• 只保留注释，去掉具体代码，看看自己能不能写出来

• batch_file_rename.py - This batch renames a group of files in a given directory, once you pass the current and the new extensions.

• create_dir_if_not_there.py - Checks to see if a directory exists in the users home directory, if not then create it.

• dir_test.py - Tests to see if the directory testdir exists, if not it will create the directory for you.

• env_check.py - This script will check to see if all of the environment variables required are set.

• fileinfo.py - Shows file information for a given file.

• folder_size.py - Scans the current directory and all subdirectories and displays the size.

• logs.py - This script will search for all *.log files in the given directory, zip them using the program you specify, and then date stamp them.

• move_files_over_x_days.py - Moves all files over 240 days old from the source directory to the destination directory.

• nslookup_check.py - This simple script opens the file server_list.txt and then does an nslookup for each one to check the DNS entry.

• osinfo.py - Displays some information about the OS on which you are running this script.

• ping_servers.py - This script, depending on the arguments supplied, will ping the servers associated with that application group.

• ping_subnet.py - After supplying the first 3 octets this file scans the final range for available addresses.

• powerdown_startup.py - This file goes through the server list and pings the machine, if it is up it will load the putty session, if it is not it will notify you.

• puttylogs.py - This file zips up all the logs in the given directory.

• script_count.py - This file scans the scripts directory and gives a count of the different types of scripts.

• script_listing.py - This file will list all the files in the given directory, and go through all the subdirectories as well.

• testlines.py - This simple script opens a file and prints out 100 lines of whatever is the set for the line variable.

• tweeter.py - This script allows you to tweet text or a picture from the terminal.

• serial_scanner.py contains a method called ListAvailablePorts which returns a list with the names of the serial ports that are in use in the computer, this method works only on Linux and Windows (can be extended for mac osx). If no port is found, an empty list is returned.

• get_youtube_view.py - This is very simple python script to get more views for your youtube videos. Useful for repeating songs on youtube.

• CountMillionCharacter.py And CountMillionCharacter2.0.py - Counts character scripts, or how much characters are present on any text based file.