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Description: 写一个脚本文件checkuser,该脚本运行时带一个用户名作为参数，具体要求如下：
1)如果命令行格式不符合要求，应有错误提示信息；
2)在/etc/passwd文件中查找是否有该用户，
如有，则输出“Found <user> in the /etc/passwd file.”
否则，输出“No such <user> on our system”
-Write a script file checkuser, the script run-time with a user name as a parameter, and specific requirements are as follows: 1) If the command-line format does not meet the requirements, there should be error message 2) in/etc/passwd file to check if there were any users, and if so, then the output " Found <user> in the/etc/passwd file. " Otherwise, output" No such <user> on our system "
Platform: |
Size: 21504 |
Author: 蒙蒙 |
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