Linux View all users of a user group (Python implementation)

"Code"

#encoding: utf-8#author: walker#date: 2017-07-31#summary: linux  View all users of a user group #filename : group_users.pyimport sys  #打印某个组的所有成员def  showgroupusers (group_name):     group_id =  ' err '     users =  '     with  Open ('/etc/group ')  as f:        for line in f :             line = line.strip ()              vec = line.split (': ')              if vec[0] == group_name:                 group_id =  vec[2]                 Users = vec[3]    if group_id ==  ' err ':         print ( ' Not find %s in /etc/group ')         return  False            with open ('/etc/passwd ')  as f:         for line in f:             line = line.strip ()              vec = line.split (': ')              if vec[3] == group_id:                 users +=  ', '  +  vec[0]                     user_seT = set (Filter (Lambda x:x, users.split (', ')))     users =  ', ' . Join (Sorted (list (User_set)))     print ('%s (%s)  users: %s '  %  (group_ name, group_id, users))     return Trueif __name__ ==  ' __main __ ':     showgroupusers (sys.argv[1])

Use

Python group_users.py groupx

Walker * * *

This article is from "Walker's Journal" blog, please be sure to keep this source http://walkerqt.blog.51cto.com/1310630/1952342

Linux View all users of a user group (Python implementation)