(Classic ASP) Remove a File from a .zip

Demonstrates how to remove a file from a .zip.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

' First prepare a .zip and write it..
set zip = Server.CreateObject("Chilkat.Zip")

success = zip.NewZip("qa_output/abc.zip")

' Add some files..
charset = "utf-8"
success = zip.AddString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",charset)
success = zip.AddString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",charset)
success = zip.AddString("c.txt","cccccccccccccccccccccccccccccccccccc",charset)

' Write to qa_output/abc.zip
' This .zip contains three files: a.txt, b.txt, and c.txt
success = zip.WriteZipAndClose()

' -------------------------------------------------------------------
' Open abc.zip, remove an entry, and re-write.
set zip2 = Server.CreateObject("Chilkat.Zip")
success = zip2.OpenZip("qa_output/abc.zip")

set entry = Server.CreateObject("Chilkat.ZipEntry")
success = zip2.EntryOf("b.txt",entry)
If (success <> 0) Then
    success = zip2.DeleteEntry(entry)
End If

' Write the modified .zip back to "abc.zip"
success = zip2.WriteZip()

' To write to a different filename, change the FileName..
zip2.FileName = "qa_output/ac.zip"
success = zip2.WriteZipAndClose()

Response.Write "<pre>" & Server.HTMLEncode( "success.") & "</pre>"

%>
</body>
</html>