use Cwd;
my $cwd = cwd();
# untargz everything in current dir
for my $tgz( glob("$cwd/*.tar.gz") ) {
    print `tar -xzf $tgz`;
}
opendir DIR, $cwd or die $!;
my @dirs = grep{ -d $_ and ! m/^./ } readdir DIR;
closedir DIR;
for my $dir ( @dirs ) {
    chdir "$cwd/$dir";
    print `perl Makefile.PL && make && make test && make install`;
}