I tried below code to first convert my bytes
to compressed bytes
and try to create a zip
file, but file is not generated. Could someone please suggest!
byte[] result;
var X = 86251;
byte[] compressedBytes;
using (FileStream SourceStream = File.Open(filename, FileMode.Open))
{
SourceStream.Seek(0, SeekOrigin.Begin);
result = new byte[X];
await SourceStream.ReadAsync(result, 0, X);
}
string fileName = "Export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".zip";
using (var outStream = new MemoryStream())
{
using (var archive = new ZipArchive(outStream, ZipArchiveMode.Create, true))
{
var fileInArchive = archive.CreateEntry(fileName, CompressionLevel.Optimal);
using (var entryStream = fileInArchive.Open())
using (var fileToCompressStream = new MemoryStream(result))
{
fileToCompressStream.CopyTo(entryStream);
}
}
compressedBytes = outStream.ToArray();
}
You're not creating an actual file anywhere. You're just writing to a memory stream. Change it to write to a file.
using (var outStream = new File.Create(fileName))
{
using (var archive = new ZipArchive(outStream, ZipArchiveMode.Create, true))
{
var fileInArchive = archive.CreateEntry(filename, CompressionLevel.Optimal);
using (var entryStream = fileInArchive.Open())
using (var fileToCompressStream = new MemoryStream(result))
{
fileToCompressStream.CopyTo(entryStream);
}
}
}
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