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(Classic ASP) Deflate FileDemonstrates how to use the Deflate compression algorithm to compress a file. (The deflate compression algorithm is the most commonly used in the Zip archive file format.) This code is capable of compressing any size file because the file data is compressed from input to output in a streaming mode. The output file contains only the deflated data (it is not a .zip, and there is no file structure or format).
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Compression") set compress = Server.CreateObject("Chilkat.Compression") compress.Algorithm = "deflate" ' Deflate this XML file: success = compress.CompressFile("hamlet.xml","hamletDeflate.dat") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( compress.LastErrorText) & "</pre>" Response.End End If ' Inflate back to the original: success = compress.DecompressFile("hamletDeflate.dat","hamletInflated.xml") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( compress.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "Success!") & "</pre>" %> </body> </html> |
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