VBScript

Compress Bytes

See more Compression Examples

Demonstrates how to compress binary data. VBScript

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

success = 0

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set fac = CreateObject("Chilkat.FileAccess")

fileBytes = fac.ReadEntireFile("qa_data/bmp/big.bmp")
If (fac.LastMethodSuccess <> 1) Then
    outFile.WriteLine(fac.LastErrorText)
    WScript.Quit
End If

set compress = CreateObject("Chilkat.Compression")
compress.Algorithm = "deflate"

compressedBytes = compress.CompressBytes(fileBytes)
If (compress.LastMethodSuccess <> 1) Then
    outFile.WriteLine(compress.LastErrorText)
    WScript.Quit
End If

success = fac.WriteEntireFile("qa_output/compressedBmp.dat",compressedBytes)
If (fac.LastMethodSuccess <> 1) Then
    outFile.WriteLine(fac.LastErrorText)
    WScript.Quit
End If


outFile.Close