Offer a dry run option for Saving and Commands like sending files to a local booru

[GlassedSilver]

Is your feature request related to a problem? Please describe

Well in general it'd be handy to test output without committing to writes to disk or databases :)

Describe the solution you'd like

implied in the title. Non-con/destructive changes to anything, just running commands to stdout. :)

Describe alternatives you've considered

Living life dangerously. :)

Additional context

We had a chat about it :)