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意外标记“else”附近出现语法错误，并且可能存在不正确的缩进

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意外标记“else”附近出现语法错误，并且可能存在不正确的缩进

我正在尝试编写一个创建用户的 shell 脚本，然后询问用户想要将他们刚刚创建的用户分配给哪个组名，最后需要询问用户是否想要创建另一个用户。

我不断收到第 21 行：在意外标记“else”附近出现语法错误第 21 行“else”

#!/usr/bin/env bash

anotherUser() {
     read -p "Do you want to add another user? [y/n] yn"
     if [[ $yn = *[yY]* ]]; then
        checkUser
     fi
     exit
}
checkUser() {
while :
     do
      read -p "Enter username you would like to generate: " userName
      read -s -p "Enter password : " userPass
      if id "$userName" >/dev/null; then
         echo "Sorry user exists"
         anotherUser 
      else
         echo adduser "$userName"
         printf "User %s has been added\n" "$userName"
      else
         read -p "Enter group you want to assign user to: " userGroups
         useradd -G "userGroups" "$userName" &&
         printf "User %s has been added\n"  "$userName"
            fi
            break
    done
            exit
     fi
done
}
checkUser

答案1

这个怎么样：

#!/usr/bin/env bash

checkUser() {
    while true; do
       read -p "Enter username you would like to generate: " userName
       if id "$userName" >/dev/null 2&>1; then
          echo "Sorry user exists"
       else
          read -s -p "Enter password : " userPass
          echo adduser "$userName"
          printf "User %s has been added\n" "$userName"
          read -p "Enter group you want to assign user to: " userGroups
          useradd -G "userGroups" "$userName" &&
          printf "User has been added to group %s\n"  "$userGroups"
       fi
       read -p "Do you want to add another user? [y/n] " yn
       if [[ $yn = *[nN]* ]]; then
          break
       fi
    done
}
checkUser

答案2

这应该有效：

#!/bin/bash

anotherUser() {
     read -p -r "Do you want to add another user? [y/n] yn" yn
     if [[ $yn = \*[yY]\* ]]; then
        checkUser
     fi
     return 1
}

checkUser() {
while :
     do
      read -p -r "Enter username you would like to generate: " userName
      if id "$userName" >/dev/null; then
         echo "Sorry user exists"
         anotherUser 
      else
         echo adduser "$userName"
         printf "User %s has been added\n" "$userName"
         read -p -r "Enter group you want to assign user to: " userGroups
         useradd -G "$userGroups" "$userName" &&
         printf "User %s has been added\n"  "$userName"
        return 0
     fi
done

}

checkUser

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