# file: printf.pl
printf "%4.4f\n", 1;
printf "%4.4lf\n", 1;
printf "%4.4hf\n", 1;
printf "%4.4qf\n", 1;
printf "%4.4Lf\n", 1;
printf "%4.4llf\n", 1;


#outputs:
$ /usr/bin/perl printf.pl 
1.0000
1.0000
1.0000
%4.4qf
%4.4Lf
%4.4llf

$ /usr/local/bin/perl printf.pl 
1.0000
%4.4lf
%4.4hf
%4.4qf
1.0000
1.0000