![]() |
Chilkat HOME Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi DLL Go Java Node.js Objective-C PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Perl) Compress Text Feed to BinaryThis example receives incoming text data in chunks, compresses as a stream, and accumulates the compressed binary data. Note: This example requires Chilkat v11.0.0 or greater.
use chilkat(); $success = 0; # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $bdCompressed = chilkat::CkBinData->new(); $compress = chilkat::CkCompression->new(); $compress->put_Algorithm("deflate"); $compress->put_Charset("utf-8"); $sbUncompressedChunk = chilkat::CkStringBuilder->new(); $compress->put_FirstChunk(1); $compress->put_LastChunk(0); for ($i = 0; $i <= 24; $i++) { if ($i == 24) { $compress->put_LastChunk(1); } $sbUncompressedChunk->Clear(); $sbUncompressedChunk->AppendInt($i); $sbUncompressedChunk->Append(": This is a line of data to be compressed...\r\n"); $compress->CompressSb($sbUncompressedChunk,$bdCompressed); $compress->put_FirstChunk(0); } # Show the compressed data in hex format: print "The hex encoded compressed text:" . "\r\n"; print $bdCompressed->getEncoded("hex") . "\r\n"; # Now decompress in one call. It is important to set both FirstChunk and LastChunk = 1 $bdDecompressed = chilkat::CkBinData->new(); $compress->put_FirstChunk(1); $compress->put_LastChunk(1); $success = $compress->DecompressBd2($bdCompressed,$bdDecompressed); if ($success == 0) { print $compress->lastErrorText() . "\r\n"; exit; } $originalText = $bdDecompressed->getString("utf-8"); print $originalText . "\r\n"; |
© 2000-2025 Chilkat Software, Inc. All Rights Reserved.