فشرده‌سازی یا استخراج فایل‌ها با C# - فشرده‌سازی و استخراج فایل‌ها

using (FileStream zipFile = File.Open(dataDir + "CompressSingleFile_out.zip", FileMode.Create))
{
    // فایلی که باید به آرشیو اضافه شود
    using (FileStream source1 = File.Open(dataDir + "alice29.txt", FileMode.Open, FileAccess.Read))
    {
        using (var archive = new Archive(new ArchiveEntrySettings()))
        {
            archive.CreateEntry("alice29.txt", source1);
            archive.Save(zipFile);
        }
    }
}

// ایجاد FileStream برای آرشیو ZIP خروجی
using (FileStream zipFile = File.Open("compressed_files.zip", FileMode.Create))
{
    // فایل اول برای افزودن به آرشیو
    using (FileStream source1 = File.Open("alice29.txt", FileMode.Open, FileAccess.Read))
    {
        // فایل دوم برای افزودن به آرشیو
        using (FileStream source2 = File.Open("asyoulike.txt", FileMode.Open, FileAccess.Read))
        {
            using (var archive = new Archive())
            {
                // افزودن فایل‌ها به آرشیو
                archive.CreateEntry("alice29.txt", source1);
                archive.CreateEntry("asyoulik3.txt", source2);
                // فشرده‌سازی فایل‌ها
                archive.Save(zipFile, new ArchiveSaveOptions() { Encoding = Encoding.ASCII, ArchiveComment = "دو فایل در این آرشیو فشرده شده‌اند" });
            }
        }
    }
}

using (FileStream zipFile = File.Open("compressed_files.zip", FileMode.Create))
{
    // فایل‌های موردنظر برای افزودن به آرشیو
    FileInfo fi1 = new FileInfo("alice29.txt");
    FileInfo fi2 = new FileInfo("fields.c");
    using (var archive = new Archive())
    {
        // افزودن فایل‌ها به آرشیو
        archive.CreateEntry("alice29.txt", fi1);
        archive.CreateEntry("fields.c", fi2);
        // ایجاد آرشیو ZIP
        archive.Save(zipFile, new ArchiveSaveOptions() { Encoding = Encoding.ASCII });
    }
}

// ایجاد آرشیو zip بدون فشرده‌سازی فایل‌ها
using (FileStream zipFile = File.Open(dataDir + "StoreMultipleFilesWithoutCompression_out.zip", FileMode.Create))
{
    FileInfo fi1 = new FileInfo(dataDir + "alice29.txt");
    FileInfo fi2 = new FileInfo(dataDir + "lcet10.txt");

    using (Archive archive = new Archive(new ArchiveEntrySettings(new StoreCompressionSettings())))
    {
        archive.CreateEntry("alice29.txt", fi1);
        archive.CreateEntry("lcet10.txt", fi2);
        archive.Save(zipFile, new ArchiveSaveOptions() { Encoding = Encoding.ASCII });
    }
}

using (var archive = new Archive(new ArchiveEntrySettings(encryptionSettings: new TraditionalEncryptionSettings("pass"))))
{
    archive.CreateEntry("entry_name1.dat", "input_file1.dat");
    archive.CreateEntry("entry_name2.dat", "input_file2.dat");
    archive.Save("result_archive.zip");
}

using (var archive = new Archive("input_archive.zip", new ArchiveLoadOptions{DecryptionPassword = "pass"}))
{
    archive.ExtractToDirectory("\\outputDirectory");
}

using (FileStream zipFile = File.Open(dataDir + "LZMACompression_out.zip", FileMode.Create))
{
    using (Archive archive = new Archive(new ArchiveEntrySettings(new LzmaCompressionSettings())))
    {
        archive.CreateEntry("sample.txt", dataDir + "sample.txt");
        archive.Save(zipFile);
    }
}

using (FileStream zipFile = File.Open(dataDir + "Bzip2Compression_out.zip", FileMode.Create))
{
    using (Archive archive = new Archive(new ArchiveEntrySettings(new Bzip2CompressionSettings())))
    {
        archive.CreateEntry("sample.txt", dataDir + "sample.txt");
        archive.Save(zipFile);
    }
}

using (FileStream zipFile = File.Open(dataDir + "PPMdCompression_out.zip", FileMode.Create))
{
    using (Archive archive = new Archive(new ArchiveEntrySettings(new PPMdCompressionSettings())))
    {
        archive.CreateEntry("sample.txt", dataDir + "sample.txt");
        archive.Save(zipFile);
    }
}

using (FileStream fs = File.OpenRead(dataDir + "CompressSingleFile_out.zip"))
{
    using (Archive archive = new Archive(fs))
    {
        int percentReady = 0;
        archive.Entries[0].ExtractionProgressed += (s, e) =>
        {
            int percent = (int)((100 * e.ProceededBytes) / ((ArchiveEntry)s).UncompressedSize);
            if (percent > percentReady)
            {
                Console.WriteLine(string.Format("{0}% decompressed", percent));
                percentReady = percent;
            }
        };
        archive.Entries[0].Extract(dataDir + "alice_extracted_out.txt");
    }
}

using (FileStream zipFile = File.Open(dataDir + "CompressMultipleFiles_out.zip", FileMode.Open))
{
    StringBuilder sb = new StringBuilder("Entries are: ");
    int percentReady = 0;
    using (Archive archive = new Archive(zipFile,
        new ArchiveLoadOptions()
        {
            EntryListed = (s, e) => { sb.AppendFormat("{0}, ", e.Entry.Name); },
            EntryExtractionProgressed = (s, e) =>
            {
                int percent = (int)((100 * e.ProceededBytes) / ((ArchiveEntry)s).UncompressedSize);
                if (percent > percentReady)
                {
                    Console.WriteLine(string.Format("{0}% compressed", percent)); percentReady = percent;
                }
            }
        }))
    {
        Console.WriteLine(sb.ToString(0, sb.Length - 2));
        using (var extracted = File.Create(dataDir + "alice_extracted_out.txt"))
        {
            using (var decompressed = archive.Entries[0].Open())
            {
                byte[] buffer = new byte[8192];
                int bytesRead;
                while (0 < (bytesRead = decompressed.Read(buffer, 0, buffer.Length)))
                {
                    extracted.Write(buffer, 0, bytesRead);
                }
                // خواندن از جریان استخراج‌شده به فایل هدف.
            }
        }
        percentReady = 0;
        archive.Entries[1].Extract(dataDir + "asyoulik_extracted_out.txt");
    }
}

using (FileStream zipFile = File.Open(dataDir + "StoreMultipleFilesWithoutCompression_out.zip", FileMode.Open))
{
    using (Archive archive = new Archive(zipFile))
    {
        using (var extracted = File.Create(dataDir + "alice_extracted_store_out.txt"))
        {
            using (var decompressed = archive.Entries[0].Open())
            {
                byte[] buffer = new byte[8192];
                int bytesRead;
                while (0 < (bytesRead = decompressed.Read(buffer, 0, buffer.Length)))
                {
                    extracted.Write(buffer, 0, bytesRead);
                }
                // خواندن از جریان استخراج‌شده به فایل هدف.
            }
        }

        using (var extracted = File.Create(dataDir + "asyoulik_extracted_store_out.txt"))
        {
            using (var decompressed = archive.Entries[1].Open())
            {
                byte[] buffer = new byte[8192];
                int bytesRead;
                while (0 < (bytesRead = decompressed.Read(buffer, 0, buffer.Length)))
                {
                    extracted.Write(buffer, 0, bytesRead);
                }
                // خواندن از جریان استخراج‌شده به فایل هدف.
            }
        }
    }
}