Re: Why command `vim -T dumb -c 'echo "Hello World!"' -c q` behaves differently when /dev/stdin is redirected from when /dev/stdin is not redirected?

Am 2015-04-20 03:58, schrieb Peng Yu:
> vim -T dumb -c 'echo "Hello World!"' -c q
>
> ~$ cat main.sh
> #!/usr/bin/env bash
>
> cat < /dev/stdin > /dev/null
> vim -T dumb -c 'echo "Hello World!"' -c q
>
> But running the following command will show "Vim: Warning: Input is
> not from a terminal". The problem is related with /dev/stdin. Does any
> know how to understand this behavior of vim? Thanks.

You mean, why the warning is printed? The warning just means that
/dev/stdin
is (most likely) redirected. That is useful to know,
since it means, you can't type commands to control Vim.

Or is there actually a different behaviour depending on whether
stdin is redirected?

Best,
Christian

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