(Visual Basic 6.0) Iterate over Matching Filenames

Iterates over files within a .zip that match a pattern. In this case, the pattern is "*.pem". This example will open a .zip containing files of type .txt, .cer, .pem, and possibly others, and will iterate over only the .pem files.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim zip As New ChilkatZip

' Open a .zip containing PEM files, among other things..
Dim success As Long
success = zip.OpenZip("qa_data/certs/thawte-roots.zip")
If (success <> 1) Then
    Debug.Print zip.LastErrorText
    Exit Sub
End If

Dim entry As ChilkatZipEntry
Set entry = zip.FirstMatchingEntry("*.pem")
If (zip.LastMethodSuccess <> 1) Then
    Debug.Print "No PEM entries found."
    Exit Sub
End If

Dim nextEntry As ChilkatZipEntry
Dim pemStr As String

Dim bContinue As Long
bContinue = 1
Do While (bContinue = 1)

    Debug.Print "Entry: " & entry.FileName

    ' Get the uncommpressed contents of the entry:
    pemStr = entry.UnzipToString(0,"utf-8")
    Debug.Print pemStr

    Set nextEntry = entry.NextMatchingEntry("*.pem")
    bContinue = entry.LastMethodSuccess

    Set entry = nextEntry
Loop