如何在命令中将参数传递给linux [英] how to pass arguments to linux at command

问题描述

我需要稍后运行mail.php文件，而不是让用户在提交register.php时等待发送验证电子邮件.

I need to run a mail.php file later instead of keeping the user to wait for the validation email to be sent when they submit for register.php.

因此，我选择在一分钟后使用 at 命令在命令行中运行mail.php(在register.php中调用):

So I chose to use the at command to run mail.php ( invoked in register.php ) in command line 1 minute later:

但是当我处于at命令的交互模式时，我只能将参数发送到该php文件.

But I can only send parameters to that php file when I was on the interactive mode of the at command.

at now + 1 minute
at> php mail.php {email}     # {email} is the argument I want to pass

由于我希望这是自动的，因此我需要在运行时使用shell脚本:

Since I want this be automatic, so I need to use at run a shell script:

at -f mail.sh

但是我找不到传递 {email} 参数的正确方法，

But I could't find a proper way to pass the {email} argument,

我尝试在Shell中设置了一个可变的环境，但也徒劳无功:

I tried to set an environment varaible in Shell but also in vain:

在 register.php 文件中，我写道:

shell_exec('export email=[e-mail]');
shell_exec('at -f mail.sh now + 1 minute');

在 mail.sh 中，我写道:

#! /bin/bash
php mail.php $email

推荐答案

您可以从stdin中读取命令，而不是从文件中读取命令. (bash的)here-doc语法在这里很好用:

You can read commands from stdin rather than from a file. (bash's) here-doc syntax works nice here:

shell_exec('at now + 1 minute <<EOF
    php mail.php [e-mail]
EOF
');

这篇关于如何在命令中将参数传递给linux的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！