How do I return values from a function in Perl?
In Perl, you can return values from a function using the 'return' keyword followed by the value you want to return.
Can you show me an example of a function that returns multiple values?
Sure! Here's an example:
sub get_values {
return (1, 2, 3);
}
my ($a, $b, $c) = get_values();
print "$a, $b, $c";
What if I want to return a hash from a function?
You can return a hash by using the 'return' keyword with a hash reference:
sub get_hash {
my %hash = (key1 => 'value1', key2 => 'value2');
return \\%hash;
}
my $hash_ref = get_hash();
print $hash_ref->{key1};
Is there a way to return an array from a function?
Yes, you can return an array by simply returning it without a reference:
sub get_array {
return (1, 2, 3);
}
my @array = get_array();
print "@array";
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