"C:Program Files (x86)PostgreSQL9.0binpsql.exe"  -h localhost -p 5432 -d myDB -U myadmin -f "C:UsersuserAppDataRoamingff.sql"

function GetNextHex(InStr:String;var Position:Integer):String;
var
  NextHex: Integer;
begin
  NextHex := PosEx('%', InStr, Position);
  if (NextHex > -1) then
    Result := Copy(InStr, NextHex, 3)
  else
    Result := '';
  Position := NextHex;
end;

function PercentHexToInt(Hex: String):Integer;
  var
   str : string;
begin
    if (Hex[1] <> '%') then  Result := 0
    else
   begin
   // Result := strtoint(StrToHex('$' + Copy(Hex, 1,2)));
      str :=StringReplace(HEx,'%','',[rfReplaceAll,rfIgnoreCase]);
      str:=trim(str);
      Result := StrToInt(('$' +str));
  end;
end;

function ReplaceHexValues(Str: String):String;
var
  Position:Integer;
  HexValue:String;
  IntValue:Integer;
  CharValue:String;
begin
  Position := 0;
  while(Position > -1)
  begin
    HexValue := GetNextHex(Str, Position);
    IntValue := PercentHexToInt(HexValue);
    CharValue := Char(IntValue);
    if (CharValue = #0) then break;
    //Note that Position Currently contains the the start of the hex value in the string
   Delete(Str, Position, 3);
   Insert(CharValue,Str,Position);
  end;
   Result:=Str;
end;