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Learn how to define and manipulate Perl hashes
Learn through examples how to use and manipulate the hashes in a Perl script. The script examples show you how to define, create and initialize a Perl hash, extract slices from a hash, find out if a hash variable contains references, get the size of a hash, insert or add new items into a hash, loop or iterate through a hash, print a hash, remove a key from a hash, sort or order a hash, and much more.
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