Aha. Many thanks.
Now I'm on the right track (see Anonymous Data in the Perl Cookbook, ch.
11).
Mr. Shawn H. Corey wrote:
Chris Cosner wrote:
If you put a hash reference into an array
push @array, \%hash;
you do not store any actual hash data in the array.
So if you change the hash, then later pull the hash reference from the
array and access it, you get changed data.
push @array, { %hash };
This creates an anonymous hash and populates it with the contents of
%hash. It makes a copy of %hash. Of course, if %hash has any
references, they will be copied but not their contents.
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