programming-examples/perl/Hash/If an entry exist.pl
2019-11-15 12:59:38 +01:00

25 lines
325 B
Perl

#!/usr/bin/perl -w
use strict;
my @names = qw(
A E I
B F J
C G K
D H L
);
my %count;
foreach (@names) {
if (exists $count{$_}) {
$count{$_}++;
} else {
$count{$_} = 1;
}
}
foreach (keys %count) {
print "$_ \toccurs $count{$_} time(s)\n";
}