Delphi DLL

Split File into Chunks

Demonstrates how to split a file into chunks. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, FileAccess;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
fac: HCkFileAccess;
fileToSplit: PWideChar;
partPrefix: PWideChar;
partExtension: PWideChar;
maxChunkSize: Integer;
destDirPath: PWideChar;

begin
success := False;

fac := CkFileAccess_Create();

// Any type of file may be split.  It doesn't matter if it's
// a binary file or a text file.
fileToSplit := 'qa_data/hamlet.xml';

partPrefix := 'hamlet';
partExtension := 'part';
maxChunkSize := 50000;
destDirPath := 'qa_output';

// Splits hamlet.xml into hamlet1.part, hamlet2.part, ...
// Output files are written to the current working directory.
// Each chunk will be 50000 bytes except for the last which
// will be the remainder.
success := CkFileAccess_SplitFile(fac,fileToSplit,partPrefix,partExtension,maxChunkSize,destDirPath);

if (success = True) then
  begin
    Memo1.Lines.Add('Success.');
  end
else
  begin
    Memo1.Lines.Add(CkFileAccess__lastErrorText(fac));
  end;

CkFileAccess_Dispose(fac);

end;