#!perl 
use warnings; 
use strict; 
use Archive::Zip qw( :ERROR_CODES :CONSTANTS ); 
use File::Find; 

my $dir = 'c:/a-temp'; 
my @zips; 

find sub { 
    -d and return; 
    /\.zip$/ and push @zips, [$File::Find::dir, $_]; 
}, $dir; 

my $zip = Archive::Zip->new; 

for (@zips) { 
    chdir $_->[0] or die "can't chdir to $_->[0]: $!"; 
    $zip->read($_->[1]) == AZ_OK or die "can't read _->[1]"; 
    $zip->extractTree   == AZ_OK or die "can't extract $_->[1]"; 
}