Run a single spec block in vim using a named pipe.

.vimrc

" Of course this can be edited to run whatever you want instead of spring and rspec
map <leader>l :w\|:silent exe "! echo \"spring rspec " . "%" . ":" . line('.') . "\" > test-commands"<cr>

rt

#!/bin/bash

if [ ! -p test-commands ]; then
  mkfifo test-commands
fi


while true; do
  sh -c "$(cat test-commands)";
done