(PureBasic) Unzip Selected Files from a Zip Archive

Demonstrates how to iterate over the files contained within a .zip and unzip specific files.

Chilkat PureBasic Module Download Chilkat PureBasic Module

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

Procedure ChilkatExample()

    ; 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.i = CkZip::ckOpenZip(zip,"my_files.zip")
    If success <> 1
        Debug CkZip::ckLastErrorText(zip)
        CkZip::ckDispose(zip)
        ProcedureReturn
    EndIf

    unzipDir.s = "/temp/unzipDir"

    n.i

    ; Get the number of files and directories in the .zip
    n = CkZip::ckNumEntries(zip)
    Debug Str(n)

    entry.i

    i.i
    For i = 0 To n - 1

        entry = CkZip::ckGetEntryByIndex(zip,i)
        If CkZipEntry::ckIsDirectory(entry) = 0
            ; (the filename may include a path)
            Debug CkZipEntry::ckFileName(entry)

            ; Your application may choose to unzip this entry
            ; based on the filename.
            ; If the entry should be unzipped, then call Extract(unzipDir)
            success = CkZipEntry::ckExtract(entry,unzipDir)
            If success <> 1
                Debug CkZipEntry::ckLastErrorText(entry)
                CkZip::ckDispose(zip)
                ProcedureReturn
            EndIf

        EndIf

        CkZipEntry::ckDispose(entry)

    Next


    CkZip::ckDispose(zip)


    ProcedureReturn
EndProcedure