Add --csv option to relevant commands

[yorkshire-pudding]

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@indigoxela said:

...However, there might be a use-case for custom delimiters. Possibly for data extracted for further processing in an office program or for importing as CSV somewhere else. I'm not sure, if such a need really exists, though. in https://github.com/backdrop-contrib/bee/issues/108#issuecomment-584515600

@BWPanda said:

The export idea sounds interesting. Definitely a separate issue though, as I think that could be achieved with a new --csv option. in https://github.com/backdrop-contrib/bee/issues/108#issuecomment-584558334

Relevant commands include:

• projects (if project argument is not used)
• log (if id argument is not used)
• users

Anything else?

As a site admin using command line to manage my Backdrop site I want to export tabular data to a CSV file in a path I specify So that I can use the data elsewhere or in further commands

Any other use cases?

[yorkshire-pudding]

I have also discussed the idea of exporting data, particularly projects, to json