脚本练习-Script.sh批量创建用户

以下所有操作都是在Red-hat 7.0上

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1.任务要求

2.代码展示

脚本代码：
1 #!/bin/bash
  2 
  3 userFileRow=` cat $1 | wc -l `
  4 passwdFileRow=` cat $2 | wc -l `
  5 
  6 while [ "$#" -lt "2" ]
  7         do
  8         echo "please give me userfile or passwd file"
  9         exit 0
 10         done
 11 
 12 while [ "$userFileRow" -ne "$passwdFileRow" ]
 13         do
 14         echo "/mnt/userfile's line is different /mnt/passwdfile's line"
 15         exit 0
 16         done
 17 
 18 for ((i=1;i<$userFileRow;i++))
 19 do
 20         name=`sed -n "$i"p $1`
 21         password=`sed -n "$i"p $2`
 22 
 23         useradd $name &>/dev/null
 24 
 25         Sign=`echo $?`
 26         if [ "$Sign" -eq "0" ];then
 27                 echo $password | passwd --stdin $name
 28         else
 29                 echo "                                    "
 30         fi
 31 done