Delphi ActiveX

Split File into Chunks

Demonstrates how to split a file into chunks. Delphi ActiveX

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
fac: TCkFileAccess;
fileToSplit: WideString;
partPrefix: WideString;
partExtension: WideString;
maxChunkSize: Integer;
destDirPath: WideString;

begin
success := 0;

fac := TCkFileAccess.Create(Self);

// 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 := fac.SplitFile(fileToSplit,partPrefix,partExtension,maxChunkSize,destDirPath);

if (success = 1) then
  begin
    Memo1.Lines.Add('Success.');
  end
else
  begin
    Memo1.Lines.Add(fac.LastErrorText);
  end;
end;