Question

I need to execute below command (and couple of other similar) to collect Windows OS event logs:

  wmic nteventlog where filename="appevent" call BackupEventLog C:appevent.evt

The command executes successfully through cmd prompt. and collects file C:appevent.evt But when i use Python os.system or os.popen to execute it retruns error.

Also if I create a .bat file with the above command and execute the .bat using os.system it works properly,

What is going wrong when I execute cmd using os.system? and How can I execute the command using Python?

Answer 1

Its due to the a in the string. Escape the in the string by replacing it with \:

  wmic nteventlog where filename="appevent" call BackupEventLog C:\appevent.evt

or use a raw string:

r  wmic nteventlog where filename="appevent" call BackupEventLog C:appevent.evt

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