Run_current_line.vim

" put this into your .vimrc

func! Run_current_line() 
  " get current line and run it as a system command
  let content = system(getline('.'))
  " open new window
  silent pedit `=tempname()`
  " change focus to the window
  wincmd P
  " append content
  call append(0, split(content, '\n'))
endf

" mapping
nmap <leader>r :call Run_current_line()<CR>

" so if you uncomment below line and press <leader>r over it ( which is \r or ,r or " smth eslse depending on your config)
" ls
" you'll get window with content of the PWD