如何将输入重定向到另一个程序？ [英] How can I redirect input to another program?

问题描述

ShellExecuteA( NULL, "open", "program.exe", NULL, NULL, SW_SHOWNORMAL );

<我正在使用上面的行来运行program.exe，它立即包含一个字符串的cin。我怎样才能覆盖那个cin并直接输入一个字符串和我的shell执行命令？

I am using the above line to run program.exe which immediately contains a cin for a string. How can I override that cin and directly input a string along with my shell execute command?

我想在不编辑用于编译program.exe的任何代码的情况下这样做。

推荐答案

ShellExecuteA( NULL, "open", "program.exe", NULL, NULL, SW_SHOWNORMAL );

我使用上面的行来运行program.exe，它立即包含字符串的cin。如何覆盖cin并直接输入字符串以及我的shell执行命令。

I am using the above line to run program.exe which immediately contains a cin for a string. How can I override that cin and directly input a string along with my shell execute command.

您是否询问如何重定向输入/输出或如何将参数传递给子进程以及如何检索子项中传递的参数？

Are you asking how to redirect input/output or how to pass an argument to a child process and how to retrieve the passed argument in the child?

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