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Iterate Through ZIP Entries Using EntryAt and ZipEntry.GetNext

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This example demonstrates how to iterate through all entries in a ZIP archive using:

• Zip.EntryAt to obtain the first entry
• ZipEntry.GetNext to advance through the remaining entries

The example prints each ZIP entry's stored filename and whether the entry is a file or directory.

This approach is useful when sequentially processing ZIP entries without repeatedly calling EntryAt by index.

Suppose the ZIP archive contains:

docs/
docs/readme.txt
images/logo.png
hello.txt

The example iterates through each entry in the order stored within the ZIP archive.

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Local $bSuccess = False

$oZip = ObjCreate("Chilkat.Zip")

; Open an existing ZIP archive.
$bSuccess = $oZip.OpenZip("c:/temp/example.zip")
If ($bSuccess = False) Then
    ConsoleWrite($oZip.LastErrorText & @CRLF)
    Exit
EndIf

; A ZIP archive may contain zero entries.
If ($oZip.NumEntries = 0) Then

    ConsoleWrite("The ZIP archive is empty." & @CRLF)

    $oZip.CloseZip 
    Exit
EndIf

; ------------------------------------------------------------
; Get the first ZIP entry.
; 
; EntryAt(0,entry) initializes the ZipEntry object so that
; it represents the first entry in the ZIP archive.
; 
$oEntry = ObjCreate("Chilkat.ZipEntry")

$bSuccess = $oZip.EntryAt(0,$oEntry)
If ($bSuccess = False) Then
    ConsoleWrite($oZip.LastErrorText & @CRLF)
    Exit
EndIf

; ------------------------------------------------------------
; Iterate through all ZIP entries.
; 
; GetNext updates the same ZipEntry object so that it
; represents the next entry in the ZIP archive.
; 
While ($bSuccess = True)

    If ($oEntry.IsDirectory = True) Then

        ConsoleWrite("[Directory] " & $oEntry.FileName & @CRLF)

    Else

        ConsoleWrite("[File] " & $oEntry.FileName & @CRLF)
    EndIf

    ; Advance to the next entry.
    $bSuccess = $oEntry.GetNext()
Wend

$oZip.CloseZip 

ConsoleWrite("Done." & @CRLF)