OpenBash.vim

let g:use_bash="zsh"
" 打开终端窗口。
" TODO: 默认打开指定的目录。
" TODO: Vim 的等待提示。
function! OpenBash(...)
    let bash=':!open /bin/bash'

    if g:OS#win
        let bash=':!start cmd'
    elseif "zsh" == g:use_bash
        let bash=':!open /bin/zsh'
    endif

    exec bash
endfunction
command -nargs=? Cmdhere call OpenBash(<f-args>)
command -nargs=? Bashere call OpenBash(<f-args>)
command -nargs=? Bashhere call OpenBash(<f-args>)

第二个问题:
if input("Coffee or beer? ") == "beer"
echo "Cheers!"
endif