if empty(glob('~/.vim/autoload/plug.vim')) silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim autocmd VimEnter * PlugInstall --sync | source $MYVIMRC endif
vim +'PlugInstall --sync' +qa
+
는 -c
와 같다.