关于linux：意外令牌附近的语法错误`then’

syntax error near unexpected token `then'

本问题已经有最佳答案，请猛点这里访问。

我创建了一个脚本，帮助管理员从文本文件中添加和删除用户，而不是手动执行。我遇到这个错误，解决它有困难。

1
2
3

[ec2-user@ip-172-31-15-55 ~]$ ./account-manager user add
./account-manager: line 21: syntax error near unexpected token `then'
./account-manager: line 21: ` then'

如何修复此错误？

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

#!/bin/bash

file=$1
action=$2

if [ -z"$file" ]
then
echo" Please enter a file with your users"
exit 0
fi

if [ -z"$action" ]
then
echo" Please define an account to remove or deleete"
exit 0
fi

for user in `cat $file`
do
if["$action" =="add" ]
then
echo adding user: $user
useradd $user -m -p password
fi
if["$action" =="remove" ]
then
echo removing user: $user
userdel -r $user
fi

done

号