use IO::Uncompress::Unzip qw(unzip $UnzipError);

my $logDirectory = '/logs';
foreach my $zipFile (glob("$logDirectory/*.zip")) {
        my $output;
        print "Decompressing $zipFile to memory\n";
        unzip $zipFile => \$output;

        #print $output;

        open my $fh, '<', \$output or die $!;
        while (<$fh>) {
                #do something
        }
        close $fh or die $!;
}