Add option to select only some columns

[ayoubfaouzi]

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Hello @robscott

It would be nice to be able to select only a particular column like: MEM UTIL as a filtering option.

Showing all the columns sometimes make it harder to read as the screen size cannot fit all the columns without having to add a new line which makes readability harder.

Cheers.

[robscott]

Hey @LordNoteworthy, that's a great idea! I'm pretty swamped right now but if anyone wants to propose what the CLI args might look like for this and possibly write a PR to implement them, that'd be awesome.

[LeonardTheMagnificent]

I would like to work on this but I am not sure where to start