popen return value

If the return code was zero then return, otherwise raise CalledProcessError. The CalledProcessError object will have the...

popen return value

If the return code was zero then return, otherwise raise CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute. , Use subprocess.check_output() instead of subprocess.call() .

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popen return value 相關參考資料
17.1. subprocess — Subprocess management — Python 2.7 ...

If the return code was zero then return, otherwise raise CalledProcessError . The CalledProcessError object will have the return code in the returncode attribute.

https://docs.python.org

17.5. subprocess — Subprocess management — Python 3.4 ...

If the return code was zero then return, otherwise raise CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute.

https://docs.python.org

Get a return value using subprocess - Stack Overflow

Use subprocess.check_output() instead of subprocess.call() .

https://stackoverflow.com

How to get exit code when using Python subprocess communicate ...

Popen.returncode The child return code, set by poll() and wait() (and indirectly by communicate()). A None value indicates that the process ...

https://stackoverflow.com

linux C程序中獲取shell腳本輸出[轉載] - Jax 的工作紀錄

... "%s > %s", cmdstring, tmpfile); return system(cmd_string); } ... 在學習unix編程的過程中,發現系統還提供了一個popen函數,可以非常簡單的 ...

https://jax-work-archive.blogs

popen

https://pubs.opengroup.org

popen(3) - Linux manual page - man7.org

RETURN VALUE top popen(): on success, returns a pointer to an open stream that can be used to read or write to the pipe; if the fork(2) or pipe(2) calls fail, or if the function cannot allocate memor...

http://man7.org

Running script via subprocess.Popen with return value - Stack Overflow

You can capture the output in the calling script using subprocess.check_output() : from subprocess import check_output result ...

https://stackoverflow.com

subprocess - Get the return code of a subprocess after calling ...

Python code example 'Get the return code of a subprocess after calling communicate' for the package subprocess, powered by Kite.

https://kite.com

subprocess — Subprocess management — Python 3.8.1 ...

If check is true, and the process exits with a non-zero exit code, a CalledProcessError exception will be raised. Attributes of that exception hold the arguments, ...

https://docs.python.org