(DataFlex) Controlling Paths of Files Added to Zip

When appending files to a .zip, it can be difficult to get the paths exactly as you want them. This example describes a way that you can control the path information when adding a single file at a time to a .zip.

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoZip
    Boolean iSuccess
    Boolean iSaveExtraPath

    // 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

    // Intialize the zip object by calling NewZip.
    Get ComNewZip Of hoZip "myZip.zip" To iSuccess

    // Add a reference to a file on disk to the zip object.
    // (When appending files to a zip, the files are not actually
    // read into memory.  References to the file(s) are added.
    // When WriteZip is called, the referenced files are streamed in
    // and compressed to the .zip.)
    Move False To iSaveExtraPath
    Get ComAppendOneFileOrDir Of hoZip "/temp/a/hamlet.xml" iSaveExtraPath To iSuccess
    // For brevity, this example will not check the return status...

    // The saveExtraPath argument, if set, will cause the path information
    // passed in the 1st argument to be saved in the .zip.

    // To add "a/hamlet.xml", do this:
    Set ComAppendFromDir Of hoZip To "/temp"
    //  The saveExtraPath argument, if set, will cause the path information
    //  passed in the 1st argument to be saved in the .zip.     But the path in AppendFromDir is
    //  not added to that path saved in the .zip.     If there is a path in AppendFromDir then the
    //  path in the 1st argument must be relative, not preceded by a drive or \.
    Move True To iSaveExtraPath
    Get ComAppendOneFileOrDir Of hoZip "a/hamlet.xml" iSaveExtraPath To iSuccess

    // To add "temp/a/hamlet.xml", do this:
    Set ComAppendFromDir Of hoZip To "/"
    Move True To iSaveExtraPath
    Get ComAppendOneFileOrDir Of hoZip "temp/a/hamlet.xml" iSaveExtraPath To iSuccess

    // The zip written here will contain hamlet.xml three times,
    // each with a different relative path.
    Get ComWriteZipAndClose Of hoZip To iSuccess


End_Procedure