How to increment string

I wish to do something like this...

 for m=1:10,
 C=%some array
 C=imagesc(A);figure(gcf);
 saveas(C,'filename(m).jpg');
 end

Can someone help me??

Thanks, Rohan

Answer 1

[Cedric]

 fname = sprintf('filename(%d).jpg', m) ;
 saveas(C, fname) ;