1.创建组的Python代码http://www.cndba.cn/hbhe0316/article/106600http://www.cndba.cn/hbhe0316/article/106600

[root@njmon python]# cat create_group.py 
#!/usr/bin/env python
import os
import re
def create_group_func(groupname):
    with open('/etc/group', 'r') as fd:
        for line in fd:
            matchgroupname = re.search(r'%s' % groupname, line, re.I)
    if not matchgroupname:
        os.system('groupadd %s' % groupname)
        print('%s is create successfully' % groupname)
    else:
        print('%s is already exists.' % groupname)

def main():
    create_group_func('test')

if __name__ == "__main__":
    main()

2.当组不存在时候

[root@njmon python]# python create_group.py 
test is create successfully

3.当组存在的时候

[root@njmon python]# python create_group.py 
test is already exists.

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Python