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How do i fix the MonoPosixHelper reference

Im trying to unzip some stuff in an script, but the GZipStream is throwing an exception (im on a mac):

System.DllNotFoundException: MonoPosixHelper
  at (wrapper managed-to-native) System.IO.Compression.DeflateStream:create_z_stream (System.IO.Compression.CompressionMode,bool)
  at System.IO.Compression.DeflateStream..ctor (System.IO.Stream compressedStream, CompressionMode mode, Boolean leaveOpen, Boolean gzip) [0x00000] 
  at (wrapper remoting-invoke-with-check) System.IO.Compression.DeflateStream:.ctor (System.IO.Stream,System.IO.Compression.CompressionMode,bool,bool)
  at System.IO.Compression.GZipStream..ctor (System.IO.Stream compressedStream, CompressionMode mode, Boolean leaveOpen) [0x00000] 
  at System.IO.Compression.GZipStream..ctor (System.IO.Stream compressedStream, CompressionMode mode) [0x00000] 
  at (wrapper remoting-invoke-with-check) System.IO.Compression.GZipStream:.ctor (System.IO.Stream,System.IO.Compression.CompressionMode)
  at GZIPDecompressor.Decompress (System.Byte[] data) [0x00042] in /Users/peterbjornx/runescape client 3/runescape client/assets/runescape scripts/cache/GZIPDecompressor.cs:20
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asked Nov 08 '09 at 01:54 PM

Peterbjornx gravatar image

Peterbjornx
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Could you add the actual calling code that you use when you get this exception, as well as mentioning on which target platforms this would need to run (webplayer, standalone only etc).

Nov 09 '09 at 08:08 AM Lucas Meijer 1 ♦♦
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2 answers: sort voted first

After LOTS of research and testing (and hair pulling, and begging), my opinion is to use DotNetZip. You need to copy some .dlls out of the mono framework to get it to work with built .exes.

Here is my Q that describes this: http://answers.unity3d.com/questions/10650/whats-the-best-way-to-implement-file-compression

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answered Oct 19 '10 at 12:55 AM

Zyxil gravatar image

Zyxil
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Only if we could use some kind of search engine!

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answered Jan 27 '10 at 04:00 AM

drozzy gravatar image

drozzy
86 5 5 14

You know, this is the top google search result for "unity monoposixhelper" at the moment. This snarky response isn't doing the unity community any favors.

Aug 25 '10 at 10:28 PM x4000
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asked: Nov 08 '09 at 01:54 PM

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Last Updated: Nov 20 '09 at 12:29 PM