On Fri, Aug 18, 2017 at 5:53 PM, Mark Volkmann <r.mark.volkm...@gmail.com>
wrote:
> I was so close!
> I had this:
> set -q language; or set language 'english'
>
> Why do I need the [1] part?
>
Because fish vars can be set but have no value. Every fish var is an array
which can have zero, one, or more values. `set -q var[1]` is the idiomatic
way to test that the var is not only set but also has at least one value.
--
Kurtis Rader
Caretaker of the exceptional canines Junior and Hank
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