SBCL运行Shell命令 [英] SBCL Run Shell Command

问题描述

我已经看到从Common Lisp执行shell命令及其答案，但是我仍然不确定是否SBCL提供了一种从代码执行Shell命令的方法.

I've seen Executing a shell command from Common Lisp and its answers, but I'm still not sure whether SBCL provides a way execute shell commands from code.

SBCL手册确实支持POSIX，但我希望更多更高层次.具体来说，我想调用Python脚本并捕获返回值.有什么办法吗?

The SBCL Manual does support POSIX, but I was hoping for something a bit more higher level. Specifically, I want to call a Python script and capture the return value. Is there any way to do this?

推荐答案

给出文件test.py:

import sys
sys.exit(42)

您可以使用sb-ext:run-program运行它，并检查退出代码，如下所示:

You can run it with sb-ext:run-program and examine the exit code as follows:

CL-USER> (sb-ext:run-program "python" '("test.py") :search t :wait t)
#<SB-IMPL::PROCESS :EXITED 42>
CL-USER> (sb-ext:process-exit-code *)
42

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