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C#でファイルをtar.gzに圧縮

Posted at

はじめに

C#でtar.gzでファイル圧縮します。

目次

  1. 使用ライブラリ
  2. 実装

Chapter1

軽く調べたところSharpZipLibが良さそう
https://github.com/icsharpcode/SharpZipLib

Chapter2

ファイル名.拡張子
        public void CreateTarGz(string outputTarFilePath, List<string> targetFilePathList)
        {
            using (FileStream fileStrem= new FileStream(outputTarFilePath, FileMode.Create, FileAccess.Write, FileShare.None))
            using (GZipOutputStream gzipStream = new GZipOutputStream(fileStrem))
            {
                // 圧縮率を指定
                // 1が一番早くて底圧縮、9が一番遅くて高圧縮
                gzipStream.SetLevel(1);
                using (TarArchive tarArchive = TarArchive.CreateOutputTarArchive(gzipStream))
                {
                    try
                    {
                        foreach(var targetFilePath in targetFilePathList)
                        {
                            var tarEntry = TarEntry.CreateEntryFromFile(targetFilePath);
                            tarEntry.Name = Path.GetFileName(targetFilePath);
                            tarArchive.WriteEntry(tarEntry, false);
                        }
                    }
                    catch (Exception ex)
                    {

                    }
                }
            }
        }
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