How to get the exit code for "os.popen(command)"?

Question

I am using a shell script to run the commands.

When running the command using this

os.popen(command).readline()

I want to get the exit code of that command.

Please let me know how we get the exit code in this case.

@ShanthiK : `os.popen(command)` is not valid bash code. Do you ask about Python? If so, tag your question with _python_. — user1934428, Jan 13 '22 at 08:18
*Why* do you want to use an obsolescent function which doesn't do what you want instead of a modern one which does? — tripleee, Jan 13 '22 at 08:26

score 3 · Answer 1 · answered Jan 13 '22 at 07:52

When you call close() on the file object returned by os.popen(), it returns the termination status if it's not 0. You use os.waitstatus_to_exitcode() to extract the exit code from this.

f = os.popen(command)
line = f.readline()
status = f.close()
if status:
    print(os.waitstatus_to_exitcode(status))

How to get the exit code for "os.popen(command)"?

1 Answers1