Running a Windows command line with arguments from Jupyter notebook

Question

At the end of my notebook, I want to export an HTML version of it. So I use the jupyter nbconvert command line utility in a notebook cell:

!jupyter nbconvert '$nb_path' --output '$nfname'

where nb_path contains the path to the notebook file (.ipynb) and nfname is a name that ends in .html.

This works fine on a Mac, but fails in Windows 10. There I get as output:

"This application is used to convert..."

that is, the same output as if I run just jupyter nbconvert (without arguments) in a cmd prompt.

If I open a cmd prompt and manually type the above command (with the actual file names instead of the variable names), then everything executes just fine.

So it seems that the ! shortcut in jupyter notebook cell doesn't pass the arguments properly to the windows terminal. Is there a mechanism to do that, or do I have to resort to Popen?

labroid · Accepted Answer · 2021-03-20 00:27:39Z

1

Use double quotes:

!jupyter nbconvert "$nb_path" --output "$nfname"

works for me on Windows 10

answered Mar 20, 2021 at 0:27

labroid

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2 Comments

germ Over a year ago

AAARRRGGHHHHH! I knew it was something simple. I did try enclosing the single quotes in double quotes and other variations, but did not try just double quotes. Thanks.

labroid Over a year ago

Glad it helped. Please accept the answer if you think it is correct. Thanks!

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