This C# program decompresses a GZIP byte array using GZipStream. You do not need a MemoryStream because bytes already has the data to compress. te() should not be used. When creating the zipStream the output. Compressing data is a great way to reduce its size. This helps us reduce storage requirements as well as the bandwidth and latency of network.

Author: JoJosida Shaktilabar
Country: Gabon
Language: English (Spanish)
Genre: Medical
Published (Last): 17 August 2009
Pages: 418
PDF File Size: 2.14 Mb
ePub File Size: 20.75 Mb
ISBN: 497-8-99801-312-9
Downloads: 69573
Price: Free* [*Free Regsitration Required]
Uploader: Akigal

Great code Sam, I modified it slightly to use using statements to make sure everything is disposed: Email Required, but never shown.

By default, the compression level is set to Optimal when the compression mode is Compress. When we write our input data into the GZipStream, it goes into the output stream as compressed data. Toggle navigation Hot Examples. CopyStream gz, msData ; gzupstream.

C# Decompress GZIP – Dot Net Perls

When you inherit from GZipStreamyou must override the following members: If an instance of the GZipStream class is created with the mode parameter equal to Compress and no further action occurs, the stream will appear as a valid, empty compressed file.

The specified path is invalid, such as being on an unmapped drive. From my point of view the code gets a lot faster and cleaner if you use the right encoding from System. February 15, at ToBase64String outputBytes ; Console. CompressionMode is Compress and CanWrite is false.


CurrentDirectory, inputFileFileMode. Email required Address never made public. You may also leave feedback directly on Gzipstrexm. CurrentDirectory, outputFileFileMode.

Rather than read the entire length of the buffer, you could read block by block until you reach the end of the stream.

Sign up using Email and Password.

GZipStream – Compress/Decompress a String

Close before you close the input or output Stream. Asynchronously reads the bytes from the current stream and writes them to another stream, using a specified buffer size.

Please Sign up or sign in to vote. Write TextToCompress ; sw.

So as I found no method transforming a string into a byte[] and vice versa without involving encoding specifications, I ended up with a loop and a cast. WriteLine outputStr ; Console. Compressing data is a great way to reduce its size. Length gzipstresm WriteBuffer ts, conf, buffer ; ts.

c# – Compressing with GZipStream – Stack Overflow

Gets or sets a value, in miliseconds, that determines how long the stream will attempt to read before timing out. Determines whether the specified object is equal to the current object. Choose the type you’d like to provide: This article presents two methods to compress and decompress string s using System. For a couple of reason I decided to post another piece of code that may be useful gzupstream you.

  IPC 7531 PDF

CompressionMode mode, bool leaveOpen ; new System. WriteLine ” Press Enter to Exit! Releases all resources used by the Stream.

Close ; return textStream.

Follow my blog via email Enter your email address to follow this blog and receive notifications of new posts by email. Gzipsttream stores all characters as UTF16 but gzipstrea, then, some symbols may need 2 characters to describe them.

Stack Overflow works best with JavaScript enabled. CompressionLevel compressionLevel, bool leaveOpen ; new System. And I found out, if you only flush a GZipStream instance and retrieve the data from the underlying stream without closing this GZipStream instance, you miss part of the data. You are commenting using your WordPress. The output was actually truncating to the length of compressed text For Example: Write destBuffer, 0, destBuffer. NET Introduction to Claims based security in.