java在linux环境下执行linux命令返回null值问题

本地执行命令用的类是Runtime。在linux中要加上/bin/bash 和-c 才行。

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Runtime runtime = Runtime.getRuntime();
        Process exec = Runtime.getRuntime().exec(new String[]{"/bin/bash","-c",command});
        InputStream inputStream = exec.getInputStream();
        String s = IOUtils.toString(inputStream, "UTF-8");
        System.out.println(s);

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