Execute the line under cursor and insert the stdout below.

Plug

Plug 'sayanarijit/exec-cursorline-insert-stdout.nvim'

Usage

Execute the line under cursor

require"exec-cursorline-insert-stdout".execute()

Process the stdout before insert

require"exec-cursorline-insert-stdout".execute{
    process_stdout = function(stdout)
        return "---\n" .. stdout .. "---\n"
    end
}

Prepare for the next command after executing one

require"exec-cursorline-insert-stdout".execute{
    prepare_for_next_command = true
}

Recommended config

command ExecuteLine :lua require"exec-cursorline-insert-stdout".execute{prepare_for_next_command = true}

nnoremap <silent> X :ExecuteLine<CR>