(PureBasic) Change a Filename before Unzipping

How to open a zip and modify the filename of one or more files within the zip before unzipping.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkZip.pb"
IncludeFile "CkZipEntry.pb"

Procedure ChilkatExample()

    success.i = 0

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

    zip.i = CkZip::ckCreate()
    If zip.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkZip::ckOpenZip(zip,"test.zip")
    If success = 0
        Debug CkZip::ckLastErrorText(zip)
        CkZip::ckDispose(zip)
        ProcedureReturn
    EndIf

    entry.i = CkZipEntry::ckCreate()
    If entry.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkZip::ckEntryOf(zip,"hamlet.xml",entry)
    If success = 0
        Debug CkZip::ckLastErrorText(zip)
        CkZip::ckDispose(zip)
        CkZipEntry::ckDispose(entry)
        ProcedureReturn
    EndIf

    CkZipEntry::setCkFileName(entry, "hamlet2.xml")

    success = CkZip::ckEntryOf(zip,"helloWorld.pl",entry)
    If success = 0
        Debug CkZip::ckLastErrorText(zip)
        CkZip::ckDispose(zip)
        CkZipEntry::ckDispose(entry)
        ProcedureReturn
    EndIf

    CkZipEntry::setCkFileName(entry, "hw.pl")

    ; Now unzip to the "test" subdirectory, under our current
    ; working directory:
    numFilesUnzipped.i = CkZip::ckUnzip(zip,"test")
    If numFilesUnzipped < 0
        Debug CkZip::ckLastErrorText(zip)
        CkZip::ckDispose(zip)
        CkZipEntry::ckDispose(entry)
        ProcedureReturn
    EndIf

    ; The filenames within the .zip are unchanged, but it unzipped
    ; test/hw.pl and test/hamlet2.xm


    CkZip::ckDispose(zip)
    CkZipEntry::ckDispose(entry)


    ProcedureReturn
EndProcedure