Well, in ZSH [[ -v VAR ]] can actually differentiate between unset and null vari... | Hacker News

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Monory on Feb 27, 2022 | parent | context | favorite | on: No_color

Well, in ZSH [[ -v VAR ]] can actually differentiate between unset and null variables

And

NO_COLOR=

would lead to an non-intuitive behavior

Aeolun on Feb 27, 2022 [–]

I think the implication is that it should have a value.

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