sc-im is a program to view and edit tables especially in csv-format.
yay -S sc-im - Install sc-imsc-im <insert-filename>.csv - Edit filessc-im uses vim keys to move.
You can insert text to a cell with \ and numbers using =.
You can edit existing entries with e for text and E for numbers.
You can delete (multiple (for example 3) rows dr/d3r, yank rows yr/y3r.
You can delete (multiple (for example 3) columns dc/d3c, yank rows yc/y3c.
You can insert new rows ir/i3r or columns ic/i3c.
There are some functions you can use when in numbers mode.
=@sum(<start-cell>:<end-cell>) - Summarize all number-entries in the range of given cells