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(PowerBuilder) Unzip Selected Files from a Zip ArchiveDemonstrates how to iterate over the files contained within a .zip and unzip specific files. Note: This example requires Chilkat v11.0.0 or greater.
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 |
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