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python - IOError: [Errno 22] invalid mode ('wb') or filename:

I keep getting the following error.

IOError: [Errno 22] invalid mode ('wb') or filename: 'C:\Users\Viral Patel\Documents\GitHub\3DPhotovoltaics\Data_Output\Simulation_Data\Raw_Data\Raw_Simulation_Data_2014-03-24 17:21:20.545000.csv'

I think it is due to the timestamp at the end of the filename. Any ideas?

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You cannot use : in Windows filenames, see Naming Files, Paths, and Namespaces ; it is one of the reserved characters:

  • The following reserved characters:

    • < (less than)
    • > (greater than)
    • : (colon)
    • " (double quote)
    • / (forward slash)
    • (backslash)
    • | (vertical bar or pipe)
    • ? (question mark)
    • * (asterisk)

Use a different character not on the reserved character list.


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