Re: How can the cmd window be hidden?

> I write the following code in vimrc:
>
> au BufWritePost *.[ch],*.cpp call UpdateGtags(expand('<afile>'))
> function! UpdateGtags(f)
>     let dir = fnamemodify(a:f, ':p:h')
>     exe 'silent !cd ' . dir . ' && global -u &> /dev/null &'
> endfunction
>
> But when I try to save content to gvim, a black window of cmd blinks,
> and disappears.

Use system()

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