Unzip Selected Files from a Zip Archive

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

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>
<%
set zip = Server.CreateObject("Chilkat_9_5_0.Zip")

'  Any string unlocks the component for the 1st 30-days.
success = zip.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode(zip.LastErrorText) & "</pre>"

End If

success = zip.OpenZip("my_photos.zip")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode(zip.LastErrorText) & "</pre>"

End If

unzipDir = "c:/temp/unzipDir"

'  Get the number of files and directories in the .zip
n = zip.NumEntries
Response.Write "<pre>" & Server.HTMLEncode( n) & "</pre>"

For i = 0 To n - 1

    ' entry is a Chilkat_9_5_0.ZipEntry
    Set entry = zip.GetEntryByIndex(i)
    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 <> 1) Then
            Response.Write "<pre>" & Server.HTMLEncode(entry.LastErrorText) & "</pre>"

        End If

    End If

Next
%>
</body>
</html>