Jun 232010
Counting the number of pair(s) in Perl's hash
Answer:
If you have a Perl's hash variable, e.g. %hash, you can count the total number of hash pair (i.e. key/value) in that variable, like the following.
my $count = scalar keys %hash;
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Counting the number of pair(s) in Perl's hash
Answer:
If you have a Perl's hash variable, e.g. %hash, you can count the total number of hash pair (i.e. key/value) in that variable, like the following.
my $count = scalar keys %hash;
