Re: How to clear screen before running a shell command after bang(!) in freebsd

在 2016年5月26日星期四 UTC+8下午5:44:51，Christian Brabandt写道：
> Hi skywind3000!
>
> On Mi, 25 Mai 2016, skywind3000 wrote:
>
> > Starting working in freebsd, I notice the experience of shell command (!) is quite different in linux.
> >
> > for example, ":!python %" in linux will clear the screen first and show the output of previous command and after
> > executing finished it returns to vim
> >
> > but, ":!python %" in freebsd will scroll vim screen up and output directly below vim gui without
> > clear the screen and show the previous output.
> >
> > Someone in stackoverflow said ":!clear; xxx" could be useful if I want to clear the screen in freebsd,
> > but it still can't show me the previous command output.
> > (http://stackoverflow.com/questions/6885792/clear-screen-before-bang )
> >
> > Is there an option or building config for me to change the bang(!) experience in freebsd to linux version ?
>
> Sounds like in freebsd your vim is not switching screens. Please read
> `:h xterm-screens` it explains the problem and how to configure your vim
> for it.
>
>
> Best,
> Christian
> --
> Der religiöse Mensch liebt es, für sein Brauchtum zu kämpfen, aber er
> haßt es, nach dessen ursprünglichen Sinngehalt zu leben.
> -- Henning Venske

Thanks very much , very useful reply.
problem is solved by setting t_ti/t_te in .vimrc

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