def g:SendRangeToTerminal(start_line: number, end_line: number)
    const terms = term_list()
    if terms->empty()
        echomsg "No Terminal windows found"
        return
    endif
    var line_num = start_line
    for line in getline(start_line, end_line)
        line_num += 1
        const spl_cmd = line->matchlist('\vVIMST (sleep|ctrl) ([0-9]+|[a-z])')
        if !spl_cmd->empty()
            const [_, cmd, arg1; _] = spl_cmd
            if cmd == "sleep"
                timer_start(str2nr(arg1), (_) => g:SendRangeToTerminal(line_num, end_line))
                return
            elseif cmd == "ctrl"
                terms[0]->term_sendkeys(nr2char(char2nr(arg1) - 96))
                continue
            endif
        endif
        terms[0]->term_sendkeys(line .. "\<CR>")
    endfor
enddef

command -range -bar SendToTerm :call g:SendRangeToTerminal(<line1>, <line2>)
vnoremap <silent><leader>s :SendToTerm<CR>
nnoremap <silent><leader>s :SendToTerm<CR>

autocmd BufNewFile,BufRead cheat.sh nnoremap <buffer> <CR> :SendToTerm \| norm j<CR>
autocmd BufNewFile,BufRead cheat.sh nnoremap <buffer> <silent><2-LeftMouse> :SendToTerm<CR>