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Perl in a Nutshell

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Function Reference
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unpack template, string

Takes a string (string) representing a data structure and expands it into a list value, returning the list value. (unpack does the reverse of pack.) In a scalar context, it can be used to unpack a single value. The template has much the same format as in the pack function - it specifies the order and type of the values to be unpacked. (See pack for a more detailed description of template.)

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