Re: Upgrade to recent version broke vimrc -- doesnt recognize unix style environmental variables

On Mon, Feb 15, 2021 at 09:47:09AM -0600, tom wrote:
>I was working in vim and tried to sort something. The sort didn't work as I
>expected.
>
>I thought I would upgrade to version 8.0 in the hopes that would fix it.
>The upgrade gave me a new problem.
>
>in my vimrc there was the line
>
>set backupdir=$HOME/vim/backup
>
>This no longer works and yields the dreaded "E303: Unable to open swap file"
>
>I fixed it this way
>
>set backupdir=c:\\Users\\myuser\\Documents\\home\\vim\\backup,c:\\TMP

I would try running the following as an ex command:

:echo $HOME

It might be that Vim does not see a HOME environment
variable on Windows.

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