Send text to tmux

.vimrc

Plugin 'benmills/vimux'

function! VimuxSlime()
  call VimuxOpenRunner()
  let lines = split(@v, '\n')
  let text = ''
  let index = 0
  while index < len(lines)
     let line = lines[index]
     let l:text = l:text . line
     if !( (index+1) < len(lines)  && lines[index + 1] =~ '^\s*\.')
       let l:text = l:text . "\n"
     endif
     let index = index + 1
  endwhile
  call VimuxSendText(l:text)
  call VimuxSendKeys("Enter")
endfunction

vmap <LocalLeader>vs "vy :call VimuxSlime()<CR>
nmap <LocalLeader>vs ^v$<LocalLeader>vs<CR>