Chilkat Examples

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VBScript Examples

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(VBScript) Unzip an AES Encrypted Text File directly into a String Variable

A common need is to unzip from an AES encrypted Zip archive directly into a string variable, such that the unencrypted file never resides on disk, even temporarily. This example shows how to do it.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

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

set zip = CreateObject("Chilkat_9_5_0.Zip")

' This example opens a WinZip-compatible AES encrypted
' .zip that contains a single file: hamlet.xml.

' It decrypts and unzips hamlet.xml directly into a string
' variable.
zip.SetPassword "secret"
success = zip.OpenZip("qa_data/hamlet.zip")
If (success <> 1) Then
    outFile.WriteLine(zip.LastErrorText)
    WScript.Quit
End If

' entry is a Chilkat_9_5_0.ZipEntry
Set entry = zip.GetEntryByName("hamlet.xml")
If (zip.LastMethodSuccess = 0) Then
    outFile.WriteLine("Failed to find entry in zip")
    WScript.Quit
End If

' lineEndingBehavior:
' 0 = leave unchanged.
' 1 = convert all to bare LF's
' 2 = convert all to CRLF's
lineEndingBehavior = 0
srcCharset = "utf-8"
xmlText = entry.UnzipToString(lineEndingBehavior,srcCharset)
outFile.WriteLine(xmlText)


outFile.Close

 

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