@dirs = `ls -d *.OBJ*`;

foreach $dir (@dirs) {
    chop($dir);
    if (-l $dir) {
        print "Skipping symbolic link $dir\n";
        next;
    }
    print "Unzipping $dir/mdbinary.jar\n";
    system ("unzip", "-o", "$dir/mdbinary.jar",
            "-d", "$dir");
    system ("rm", "-rf", "$dir/META-INF");
    mkdir "$dir/include", 0755;
    print "Unzipping $dir/mdheader.jar\n";
    system ("unzip", "-o", "-aa",
            "$dir/mdheader.jar",
            "-d", "$dir/include");
    system ("rm", "-rf", "$dir/include/META-INF");
}