dimension out of range (expect
时间: 2023-04-27 18:05:31 浏览: 42
ed 1, but got 2)
这个错误提示意味着代码中使用了超出范围的维度。通常情况下,代码中定义的数组或矩阵的维度与实际使用的维度不一致,导致出现这个错误。需要检查代码中的数组或矩阵定义,确保维度正确。
相关问题
expect_out(buffer)
expect_out(buffer) is a variable in the Expect scripting language. It contains the output that was matched by the last "expect" command. This variable can be used to capture and process the output of the command being executed.
For example, let's say we want to automate the process of logging into a remote server using SSH. We can use the "expect" command to wait for certain output from the server, such as the login prompt, and then send the username and password:
```
#!/usr/bin/expect
set timeout 10
spawn ssh username@remote_server
expect "password:"
send "password\r"
expect "$ "
send "ls -la\r"
expect "$ "
puts $expect_out(buffer)
send "exit\r"
expect eof
```
In this script, we wait for the "password:" prompt, and then send the password. We then wait for the shell prompt "$ ", and send the command "ls -la". The output of that command is stored in the expect_out(buffer) variable, which we print to the console. Finally, we exit the SSH session.
expect eof
expect eof是Expect脚本中的一个命令,用于等待一个交互式进程的结束。Expect是一个自动化工具,它允许在脚本中与交互式程序进行通信。当使用expect eof命令时,脚本会一直等待,直到交互式进程结束,然后继续执行脚本中的下一条命令。
以下是一个使用expect eof的简单示例:
```shell
#!/usr/bin/expect
spawn ssh user@hostname
expect "password:"
send "password123\r"
expect eof
# 在这里可以继续执行其他命令
```
在上面的示例中,脚本使用spawn命令启动一个ssh会话,并使用expect命令等待输入密码的提示。然后,使用send命令发送密码。接下来,使用expect eof命令等待ssh会话结束。一旦ssh会话结束,脚本就可以继续执行其他命令。
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