var1-3 are array (AoH) references, hence scalar and not hashes.

This my ($data) = {$var1, $var2, $var3}; to create a hash doesn't make any sense, the error is correct.

I don't understand what you're desired output is, so please specify.

Try $a_new= [ @$var1, @$var2, @$var3 ]

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re: Merge hashrefs into one by LanX
in thread Merge hashrefs into one by Anonymous Monk

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