(Classic ASP) Unzip Selected Files from a Zip Archive

Demonstrates how to iterate over the files contained within a .zip and unzip specific files.

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

set zip = Server.CreateObject("Chilkat.Zip")

success = zip.OpenZip("my_files.zip")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( zip.LastErrorText) & "</pre>"
    Response.End
End If

unzipDir = "/temp/unzipDir"

' Get the number of files and directories in the .zip
n = zip.NumEntries

set entry = Server.CreateObject("Chilkat.ZipEntry")

i = 0
Do While i < n

    success = zip.EntryAt(i,entry)
    If (entry.IsDirectory = 0) Then
        ' (the filename may include a path)
        Response.Write "<pre>" & Server.HTMLEncode( entry.FileName) & "</pre>"

        ' Your application may choose to unzip this entry
        ' based on the filename.
        ' If the entry should be unzipped, then call Extract(unzipDir)
        success = entry.Extract(unzipDir)
        If (success = 0) Then
            Response.Write "<pre>" & Server.HTMLEncode( entry.LastErrorText) & "</pre>"
            Response.End
        End If

    End If

    i = i + 1
Loop

%>
</body>
</html>