Re: volume label in prompt?

["Benjamin R. Haskell" <zsh@xxxxxxxxxx>]

On Thu, 25 Oct 2012, Ray Andrews wrote:

> Gentlemen,
>
> I'm now running three machines here, each with several copies of various 
> linii available.  It gets a bit confusing.  I'm wondering if there might be 
> something I can add to my prompt that could help me remind myself where I'm 
> at.  I'm open to any suggestions, but one idea I had was something to 
> identify the volume label of the current root directory.  That would do it if 
> it can be done. Can it?

Other people have offered some alternatives, but if you really want the 
volume label of the current root directory:

volume_label=$(eval "$(blkid -o export $(mount | awk '$3 == "/" { print $1 }'))" ; printf "%s" $LABEL)

`blkid` is a Linux thing, AFAIK.

--
Best,
Ben