vimrc.example

function! _Qq(...)
  let l:post = {'exit_cb': function('_QqPost')}
  let l:args = ['_qq_vim', expand('%')] + a:000
  call job_start(l:args, l:post)
  echohl User1
  echomsg 'qq...'
  echohl None
endfunction

function! _QqPost(job, status)
  let l:line = line('.')
  let l:col = col('.')
  edit
  call cursor(l:line, l:col)
endfunction

function! _Qqq(...)
  let l:p = system('_qqq_vim')
  let l:p = substitute(l:p, '\n$', '', '')
  execute 'edit ' . l:p
endfunction

command! -nargs=* Qq call _Qq()
cnoreabbrev <expr> qq (getcmdtype() == ':' && getcmdline() =~ '^qq$')? 'call _Qq()' : 'qq'

command! -nargs=* Qqq call _Qqq()
cnoreabbrev <expr> qqq (getcmdtype() == ':' && getcmdline() =~ '^qqq$')? 'call _Qqq()' : 'qqq'
cnoreabbrev <expr> qqqq (getcmdtype() == ':' && getcmdline() =~ '^qqqq$')? 'call _Qqq()' : 'qqqq'
cnoreabbrev <expr> qqqqq (getcmdtype() == ':' && getcmdline() =~ '^qqqqq$')? 'call _Qqq()' : 'qqqqq'