Pascal (Lazarus/Delphi)

Create Zip Excluding Files Matching Patterns

See more Zip Examples

How to create a .zip archive excluding (skipping) files that match a set of wildcarded patterns. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.StringArray,
  Chilkat.Zip;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  zip: TZip;
  sa: TStringArray;
  recurse: Boolean;

begin
  success := False;

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

  zip := TZip.Create;

  success := zip.NewZip('test.zip');
  if (success <> True) then
    begin
      WriteLn(zip.LastErrorText);
      Exit;
    end;

  //  Create a string array object with our set of filename patterns
  //  to be excluded:
  sa := TStringArray.Create;
  success := sa.Append('*.bak');
  success := sa.Append('*.tmp');

  //  Tell the zip object to use these exclusions:
  zip.SetExclusions(sa);

  //  Append a directory tree.  The AppendFiles does
  //  not read the file contents or append them to the zip
  //  object in memory.  It simply appends references
  //  to the files so that when WriteZip (or WriteZipAndClose,
  //  or WriteExe, etc.) is called, the files are compressed
  //  and encrypted.
  recurse := True;
  success := zip.AppendFiles('/temp/a/*',recurse);

  success := zip.WriteZipAndClose();
  if (success <> True) then
    begin
      WriteLn(zip.LastErrorText);
      Exit;
    end;

  WriteLn('Zip Created!');


  zip.Free;
  sa.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.