MEL sequence render

ionstring $renderViewName = "renderView";
string $Path = "F:/scene4_Particles/images/";
string $Format = "png";
string $Title = "Sc04_Sh16_particles";
string $name = ($Title + "000");


int $Start = 40; 
int $End = 116; 

for($f=$Start; $f<=$End; ++$f ){
    currentTime $f;
    renderWindowRender redoPreviousRender renderView;
    string $fileName = ($name + $f);
    renderWindowEditor -edit -writeImage ($Path + $fileName + "." + $Format) $renderViewName;  
}