!636

!modern

main {

  psvm {

    split(args[0]);

  }

  static long splitSize = 1024*1024; // 0 = auto

  static int n;

  static void split(String path) ctex {

    File file = new File(path);

    print("== Processing " + path);

    long destSize = splitSize != 0 ? splitSize : file.length()/2;

    ZipFile zipFile = new ZipFile(file);

    Enumeration entries = zipFile.entries();

    n = 1;

    String outPath = path + "." + n;

    print("Writing " + outPath);

    FileOutputStream fout = new FileOutputStream(outPath);

    ZipOutputStream zout = new ZipOutputStream(fout);

    long size = 0;

    while (entries.hasMoreElements()) {

      ZipEntry entry = (ZipEntry) entries.nextElement(); 

      System.out.println("File found: " + entry.getName());

      zout.putNextEntry(new ZipEntry(entry.getName()));

      InputStream fin = zipFile.getInputStream(entry);

      copyStream(fin, zout);

      fin.close();

      size += entry.getCompressedSize();

      if (size >= destSize) {

        size = 0;

        zout.close();

        fout.close();

        ++n;

        outPath = path + "." + n;

        print("Writing " + outPath);

        fout = new FileOutputStream(outPath);

        zout = new ZipOutputStream(fout);

      }

    }

    zout.close();

    fout.close();

    zipFile.close();

  }

}