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To quote perldata

Perl has three built-in data types: scalars, arrays of scalars, and associative arrays of scalars, known as "hashes". A scalar is a single string (of any size, limited only by the available memory), number, or a reference to something (which will be discussed in perlref).

In reply to Re^6: xml simple not a hash reference by Anonymous Monk
in thread xml simple not a hash reference by Noverast

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