zip large file (larger than 2 gig)

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C#

hi friends

i want to zip file larger than 2 gig , than i whant a safe source
pl help

Posted 8-Apr-14 18:22pm

Member 10598179

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Sergey Alexandrovich Kryukov 9-Apr-14 0:56am

First of all, 2Gb is nothing. You can always find an open-source code doing ZIP, did you try that?
—SA

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 9-Apr-14 0:56am

So, what is the issue?

Member 10598179 9-Apr-14 1:07am

yes i have no problem with zip file u 2g
and when i have larger i breake file to ang part than ziped any but it is not a good way

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 9-Apr-14 1:19am

Please see Sergey's Solution.

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-04-08T18:58:00

Solution 1

Please see my comment to the question.

I usually advise the choice between SharpCompress, #ziplib and 7-zip for .NET:
how to add file name in zip folder with same file name in c#[^],
Zipping of files in C# 4.0[^].

—SA

Posted 8-Apr-14 18:58pm

Sergey Alexandrovich Kryukov

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Member 10598179 9-Apr-14 1:34am

i us
using ICSharpCode.SharpZipLib.Zip;

and it is my code:
FileStream vFileStream = File.OpenRead(vInputPath + vFileName);
byte[] obuffer;
obuffer = new byte[vFileStream.Length];
ZipOutputStream vZipOutputStream = new ZipOutputStream(File.Create(vOutputPath + vFileName + ".zip"));
ZipEntry vZipEntry = new ZipEntry(vFileName);

vZipOutputStream.SetLevel(9);
vZipOutputStream.PutNextEntry(vZipEntry);

vFileStream.Read(obuffer, 0, obuffer.Length);
vZipOutputStream.Write(obuffer, 0, obuffer.Length);
vFileStream.Close();

vZipOutputStream.Finish();
vZipOutputStream.Close();
but when the size file is greater than 2 gig , it get exeption on buffer overfow !