programming-examples/perl/Hash/If an entry exist.pl

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Perl
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2019-11-15 12:59:38 +01:00
#!/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";
}