hash

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Count the frequency of words in text using Perl

Creating a hash from an array in Perl

Hashes in Perl

How to insert a hash in another hash in Perl

How to sort a hash in Perl?

How to sort a hash of hashes by value?

Multi dimensional hashes in Perl

Perl Hash

Perl hash in scalar and list context

Printing hash of hashes of arrays by the array

The easiest way to find the highest hash value without looping through all of them (max)

Moo with hash reference as attributes - with or without default values

The Hash-bang line, or how to make a Perl scripts executable on Linux

How to dereference a reference to a hash or to an array in Perl

Merge hashes of arrays

Can't use string (...) as an HASH ref while "strict refs" in use at ...

Useless use of hash element in void context

delete an element from a hash

exists, delete in hash - video

undef on Perl arrays and hashes