Shell programming (12) --- add user example

[[email protected] Learn]# cat useradd-final.sh #!/bin/bash#DEBUG=0ADD=0DEL=0help() {echo "Usage: $(basename $0) -v | --verbose | --add user1,user2,... | --del user1,user2,... | -h | --help"}while [ $# -ne 0 ]docase $1 in-h | --help )helpexit 0;;-v | --verbose )DEBUG=1shift;;--add )ADD=1ADDUSERS=$2shift 2;;--del )DEL=1DELUSERS=$2shift 2;;*)helpexit 5;;esacdoneif [ $ADD -eq 1 ];thenfor users in $(echo $ADDUSERS | sed ‘s/,/ /g‘)doif id $users &> /dev/null;thenif [ $DEBUG -eq 1 ];thenecho "This $users is exist";fielseuseradd $usersif [ $DEBUG -eq 1 ];thenecho "Create User $users Successful."fifidoneelif [ $DEL -eq 1 ];thenfor users in $(echo $DELUSERS | sed ‘s/,/ /g‘)doif id $users &> /dev/null;thenuserdel -r $usersif [ $DEBUG -eq 1 ];thenecho "Delete User $users Successful.";fielseif [ $DEBUG -eq 1 ];thenecho "This User $users is not exist."fifidonefi[[email protected] Learn]#

Test:

[[email protected] Learn]# ./useradd-final.sh -v --add user1,user2Create User user1 Successful.Create User user2 Successful.[[email protected] Learn]# ./useradd-final.sh -v --del user1,user2Delete User user1 Successful.Delete User user2 Successful.[[email protected] Learn]# ./useradd-final.sh -hUsage: useradd-final.sh -v | --verbose | --add user1,user2,... | --del user1,user2,... | -h | --help[[email protected] Learn]# ./useradd-final.sh --helpUsage: useradd-final.sh -v | --verbose | --add user1,user2,... | --del user1,user2,... | -h | --help[[email protected] Learn]# [[email protected] Learn]# ./useradd-final.sh -v --add user1,user2Create User user1 Successful.Create User user2 Successful.[[email protected] Learn]# id user1uid=502(user1) gid=503(user1) groups=503(user1)[[email protected] Learn]# id user2uid=503(user2) gid=504(user2) groups=504(user2)[[email protected] Learn]#

This article is from the "Hezhang" blog, please be sure to keep this source http://hezhang.blog.51cto.com/1347601/1437892