[IPython-dev] Pass variable to a ! command

[Kenneth Tran]

Hi,

I'd like to pass Python variables as arguments to a system command.
However, perhaps due to the command line syntax of my program (which
accepts nested options via {}), this doesn't work.

[image: Inline image 1]

It looks like that when IPython fails to parse one of the variable names or
expressions, it treats the whole command line as raw string. Here's a
simpler example

[image: Inline image 2]

Should it try to parse variable names and/or expressions as much as it can?

What files should I look into if I want to fix this?

Thanks.
-Ken
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