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Perl/Basics/Hashes/Helper Functions/Keys

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Revision as of 00:39, 19 July 2012 by Chantal21I (Talk | contribs) (moved Perl/Basics/Hashes/Keys to Perl/Basics/Hashes/Helper Functions/Keys)

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This uses a foreach() loop and casting. We can isolate $key=>$value pairs the same as above using keys in stead of each:

<syntaxhighlight lang="perl">foreach my $key (@{sort keys %user}) { print "Key: $key, Value: ". $user{$key} ."\n"; };</syntaxhighlight>

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