期望:如何将生成的过程的每个输出打印给用户 [英] Expect: how to print every output of a spawned process to the user

问题描述

我正在尝试编写期望脚本，部分命令将以其他用户身份执行.所以我需要产生一个kuu进程，然后在用户提供密码后将命令发送给它.但是，我如何收集这些命令的输出并将其输出给运行期望脚本的用户呢?

I'm trying to write an expect script, part of the commands will be executed as a different user. So i need to spawn an kuu process, then send commands to it after user provided password. But how do I collect the output of those commands and print it to the user who is running the expect scripts?

谢谢

推荐答案

可以使用以下方法完成此操作:

This can be done by using something like the following:

proc outputUntilPrompt {} {   
    global expect_out
    set prompt "ACT:*>*"
    set output ""                

    while 1 {        
        expect {
            -re "(\[^\r]*\)\r\n" {
                append output $expect_out(buffer)
            }
            $prompt {
                append output $expect_out(buffer)
                break
            }
        }
    }
    return $output
}

send_user "$output"

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