(PowerBuilder) Unzip Selected Files from a Zip Archive

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

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

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

integer li_rc
integer li_Success
oleobject loo_Zip
string ls_UnzipDir
integer n
oleobject loo_Entry
integer i

li_Success = 0

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

loo_Zip = create oleobject
li_rc = loo_Zip.ConnectToNewObject("Chilkat.Zip")
if li_rc < 0 then
    destroy loo_Zip
    MessageBox("Error","Connecting to COM object failed")
    return
end if

li_Success = loo_Zip.OpenZip("my_files.zip")
if li_Success = 0 then
    Write-Debug loo_Zip.LastErrorText
    destroy loo_Zip
    return
end if

ls_UnzipDir = "/temp/unzipDir"

// Get the number of files and directories in the .zip
n = loo_Zip.NumEntries

loo_Entry = create oleobject
li_rc = loo_Entry.ConnectToNewObject("Chilkat.ZipEntry")

i = 0
do while i < n

    loo_Zip.EntryAt(i,loo_Entry)
    if loo_Entry.IsDirectory = 0 then
        // (the filename may include a path)
        Write-Debug loo_Entry.FileName

        // Your application may choose to unzip this entry
        // based on the filename.
        // If the entry should be unzipped, then call Extract(unzipDir)
        li_Success = loo_Entry.Extract(ls_UnzipDir)
        if li_Success = 0 then
            Write-Debug loo_Entry.LastErrorText
            destroy loo_Zip
            destroy loo_Entry
            return
        end if

    end if

    i = i + 1
loop


destroy loo_Zip
destroy loo_Entry