向后台进程发送命令 [英] Send command to a background process

问题描述

我有一个先前运行的进程 (process1.sh)，它在后台运行，PID 为 1111(或其他任意数字).我怎样才能将 command option1 option2 之类的东西发送到 PID 为 1111 的进程?

I have a previously running process (process1.sh) that is running in the background with a PID of 1111 (or some other arbitrary number). How could I send something like command option1 option2 to that process with a PID of 1111?

我不想开始一个新的 process1.sh！

I don't want to start a new process1.sh!

推荐答案

Named Pipes 是您的朋友.请参阅文章 Linux 期刊:在 Bash 中使用命名管道 (FIFO).

Named Pipes are your friend. See the article Linux Journal: Using Named Pipes (FIFOs) with Bash.

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