(PowerBuilder) Unzip Selected Files from a Zip Archive

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

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

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

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

loo_Zip = create oleobject
// Use "Chilkat_9_5_0.Zip" for versions of Chilkat < 10.0.0
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 <> 1 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
Write-Debug string(n)

for i = 0 to n - 1

    loo_Entry = loo_Zip.GetEntryByIndex(i)
    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 <> 1 then
            Write-Debug loo_Entry.LastErrorText
            destroy loo_Zip
            return
        end if

    end if

    destroy loo_Entry
next


destroy loo_Zip