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Delphi ActiveX Requires Chilkat v11.0.0+

Change a Filename before Unzipping

See more Zip Examples

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

Chilkat Delphi ActiveX Downloads

Delphi ActiveX
var
success: Integer;
zip: TChilkatZip;
entry: TChilkatZipEntry;
numFilesUnzipped: Integer;

begin
success := 0;

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

zip := TChilkatZip.Create(Self);

success := zip.OpenZip('test.zip');
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

entry := TChilkatZipEntry.Create(Self);

success := zip.EntryOf('hamlet.xml',entry.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;
entry.FileName := 'hamlet2.xml';

success := zip.EntryOf('helloWorld.pl',entry.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;
entry.FileName := 'hw.pl';

//  Now unzip to the "test" subdirectory, under our current
//  working directory:
numFilesUnzipped := zip.Unzip('test');
if (numFilesUnzipped < 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

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