How to copy files in Free Pascal

To copy files in Free Pascal, you can do it in many ways, one of them is to use TStreamFile‘s CopyFrom method.

This example could copy any type of files without changing it’s contents. But destination file information will be changed, like file name, and updated time.

var‬‬
  SourceF, DestF: TFileStream;
begin‬‬
  ‪SourceF:= TFileStream.Create('Photo.jpg', fmOpenRead);
  ‪DestF:= TFileStream.Create('PhotoCopy.jpg', fmCreate);
  ‪DestF.CopyFrom(SourceF, SourceF.Size);
  SourceF.Free;
  DestF.Free;
end;

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