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keys(%dict) returns a list (array) of keys in %dict (in arbitrary order). This can be used with foreach construct:
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foreach (keys(%mime)) { # $_ is default loop variable
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print "\$mime{$_} = $mime{$_}\n";
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}
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values(%dict) is typically less useful. It returns an unordered list of values (with repetition) in hash %dict
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each(%dict) returns a single, two-element list containing the "next" key-value pair in %dict. For example,
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while ( ($key,$val) = each(%dict) ) { ... }
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Every call to each(%dict) returns a new pair until it finally returns null. The next call to each() starts the cycle again...
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