Actually you got 1 less than the number of keys because arrays are zero based, but that's a different problem. If you read the keys documentation the second sentence explains that calling it in scalar context returns the number of keys: my $num_keys = keys %data.

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: find a number of keys in a hash by Fletch
in thread find a number of keys in a hash by perlthirst

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