使用管道获取运行时? [英] getRuntime with pipe?

问题描述

我想在java程序中执行以下命令.但它只执行第一部分.之后的部分 |未执行

I want to execute the following command in a java program. But it execute only the first part. the part after | is not executed

Process process = Runtime.getRuntime().exec(" adb devices | tail -n +2 | cut -sf 1");

        process.waitFor();

推荐答案

你需要在 shell 中运行它.试试这个:

You need to run that in a shell. Try this:

Process process = Runtime.getRuntime().exec(new String[] {
        "/bin/sh",
        "-c",
        "adb devices | tail -n +2 | cut -sf 1"
});
process.waitFor();

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