CODEWITHSUNDEEP
c#gzipgzipstream
Arsen Zahray
Arsen Zahray

Reputation: 25367

Append text to existing Gzip file

I'm working on a log program, which would dump data into gzip archive.

The first entry would look like this:

using (var fs = File.OpenWrite(logFile))
{
    using (var gs = new GZipStream(fs, CompressionMode.Compress))
    {
        using (var sw = new StreamWriter(gs))
        {
            sw.WriteLine(logEntry);
        }
    }
}

Now I want add other lines to that file without having to re-read all file content and than to re-write it in a way that the result can be read with a single GZipStream.

What is the best way to do that?

Upvotes: 1

Views: 1536

Answers (1)

Mark Adler
Mark Adler

Reputation: 112547

You can use gzlog.h and gzlog.c from the zlib distribution in the examples directory. They do exactly what you're looking for.

Upvotes: 1

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