c:\@Work\Perl\monks\Denis.Beurive>perl -wMstrict -le
"printf qq{\%d x %%d y %d \n}, 123, 543;
 printf qq{\%0.2f x %%0.2f y %0.2f \n}, 12.34, 54.32;
"
123 x %d y 543
12.34 x %0.2f y 54.32