[fpc-pascal] Adding file to string to the RTL
Winfried Bartnick
winni at bartnick.info
Tue Oct 6 01:48:38 CEST 2020
Am 06.10.20 um 01:08 schrieb Jean SUZINEAU via fpc-pascal:
>
> In my own code I use BlockRead/BlockWrite, but I'm wondering if I've
> not seen this somewhere in RTL.
>
> https://github.com/jsuzineau/pascal_o_r_mapping/blob/TjsDataContexte/pascal_o_r_mapping/02_Units/uuStrings.pas
>
> function String_from_File( _FileName: String): String;
> var
> F: File;
> Longueur: Integer;
> begin
> Result:= '';
> if not FileExists( _FileName) then exit;
> AssignFile( F, _FileName);
> try
> Reset( F, 1);
> Longueur:= FileSize( F);
> if 0 = Longueur then exit;
> SetLength( Result, Longueur);
> BlockRead( F, Result[1], Longueur);
> finally
> CloseFile( F);
> end;
> end;
> procedure String_to_File( _FileName: String; _S: String);
> var
> F: File;
> begin
> if '' = _S then exit;
> AssignFile( F, _FileName);
> try
> ReWrite( F, 1);
> BlockWrite( F, _S[1], Length( _S));
> finally
> CloseFile( F);
> end;
> end;
>
>
Hi!
Great idea!
Longueur should be Int64
Winni
>
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