use strict;
my @CATEGORY = ("USA", "CANADA" , "EUROPE" , "TAIWAN");
my @FOOD = ("PIZZA" , "MAPLE" , "EURO" , "INDEPENDENCE");
my @FILENAMES = ("MAPLESTEA.txt" , "HOTPIZZA.txt" , "EURODOLLAR.txt");
my %HASH;
my %aux;
@aux{@FOOD} = @CATEGORY;
LINE:
foreach my $file (@FILENAMES) {
foreach (sort {length($b) <=> length($a)} keys %aux) {
if ($file =~ /\Q$_\E/) {
$HASH{$aux{$_}}{$file} = 1;
next LINE;
}
}
}
use Data::Dumper;
print Dumper(\%HASH);
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