Thanks for the corrections! Looks like scrapy settings needed some attention, --getdict is missing as an option and it's probably better to print the repr() of those settings, you can't tell the type of the printed value if you use --get for example. I'll be merging this pr now, those suggested changes can be implemented later.
I think yes, you should be able to override settings while running any command, but there isn't much usefulness to get them while doing something else, that's probably why --get* options are in a command of their own.
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