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DataFlex Examples

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(DataFlex) 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

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoZip
    Boolean iSuccess
    Variant vEntry
    Handle hoEntry
    Variant vNextEntry
    Handle hoNextEntry
    String sPemStr
    Boolean iBContinue
    String sTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatZip)) To hoZip
    If (Not(IsComObjectCreated(hoZip))) Begin
        Send CreateComObject of hoZip
    End

    // Open a .zip containing PEM files, among other things..
    Get ComOpenZip Of hoZip "qa_data/certs/thawte-roots.zip" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComFirstMatchingEntry Of hoZip "*.pem" To vEntry
    If (IsComObject(vEntry)) Begin
        Get Create (RefClass(cComChilkatZipEntry)) To hoEntry
        Set pvComObject Of hoEntry To vEntry
    End
    Get ComLastMethodSuccess Of hoZip To bTemp1
    If (bTemp1 <> True) Begin
        Showln "No PEM entries found."
        Procedure_Return
    End

    Move True To iBContinue
    While (iBContinue = True)

        Get ComFileName Of hoEntry To sTemp1
        Showln "Entry: " sTemp1

        // Get the uncommpressed contents of the entry:
        Get ComUnzipToString Of hoEntry 0 "utf-8" To sPemStr
        Showln sPemStr

        Get ComNextMatchingEntry Of hoEntry "*.pem" To vNextEntry
        If (IsComObject(vNextEntry)) Begin
            Get Create (RefClass(cComChilkatZipEntry)) To hoNextEntry
            Set pvComObject Of hoNextEntry To vNextEntry
        End
        Get ComLastMethodSuccess Of hoEntry To iBContinue
        Send Destroy of hoEntry
        Move hoNextEntry To hoEntry
    Loop



End_Procedure

 

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