VIM + Rspec : run spec for last cursor save position

curspec

#!/bin/bash

[ -S .zeus.sock ] && PREFIX=zeus
COMMAND="$PREFIX rspec `cat .cursor_last_position`"

VERBOSE=false
echo $COMMAND
$COMMAND

snippet.vim

fu! WriteCursorLastPosition()
  let output = system('echo ' . getreg('%') . ':' . line('.') . ' > .cursor_last_position')
endfunction
"
if !exists("b:jumski_write_rspec_guide")
  let b:jumski_write_rspec_guide = 1

  au BufWritePost *_spec.rb call WriteCursorLastPosition()
endif