Perl Data Types and Variables
4 CSci 132 Practical UNIX with Perl Three data classes However, Perl does distinguish the class of data, i.e., whether it is primitive or structured. Scalars are primitive and lists and hashes are structured: scalar data a single data item list data a sequence or ordered list of scalars hash data an unordered collection of (key,value) pairs Scalars may be numbers such as 12 or 44.3 or strings like
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