c:\@Work\Perl\monks>perl -wMstrict -le
"print 'perl version: ', $];
 ;;
 my $p = 30;
 my $n = 1.111111111111111111111111111111;
 ;;
 printf qq{%0.{$p}f}, $n;
"
perl version: 5.014004
Invalid conversion in printf: "%0.{" at -e line 1.
%0.{30}f