> On 9 Sep 2019, at 8:43 pm, Lars Madsen <dal...@gmail.com> wrote:
>
> So my question is: Is %= and %== suppose to have different handling of undef
> data?
>
Hi Lars,
Not specifically different, but %= will escape the data and %== passes it
straight through. Presumably the escaping has handling for undef data which
prevents “use of uninitialised” warnings.
In general, making sure "uninitialised value" warnings don’t get emitted is
your problem, not the frameworks. An undef being printed or otherwise emitted
to the end user is generally a code smell.
Cheers,
Justin
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