$cmdData->{command_1}{subfields} is defined. It's an array reference.
$cmdData->{command_2}{subfields} is defined. It's an array reference.

Sounds like you want to check the number of elements in the referenced array. That would be 

@{ $cmdData->{$cmd}{subfields} }

[download]
in scalar context.

In reply to Re: Iterating through a HoHoH ... does a particular sub-hash exist? by ikegami
in thread Iterating through a HoHoH ... does a particular sub-hash exist? by jedikaiti

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