Iii. settings for Bash script parameters

Settings for Bash script parameters

Select parameter Add|del Add Delete user1-user10

#! /bin/bash

If [$#-lt 1];then

echo "Usage:adminusers ARG"

Exit 5

Fi

if [= = '--add '];then

For I in {1..10};d o

If ID user$i &>/dev/null;then

echo "user$i exists."

Else

Useradd-r user$i

echo user$i |passwd--stdin user$i &>/dev/null

echo "ADD Uesr$i finished."

Fi

Done

elif [= = '--del '];then

For I in {1..10};d o

if! ID user$i &>/dev/null;then

echo "No user$i."

Else

Userdel user$i

echo "Del User$i finished."

Fi

Done

Else

echo "Unknown ARG"

Exit 6

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This article is from the "Shell Learning One" blog, please be sure to keep this source http://zhangdefa.blog.51cto.com/11498478/1774921

Iii. settings for Bash script parameters