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[0] Perl> printf "%2.2s\n", $_ for 9, 99 .. 101;;
 9
...
99
10
10

printf "%-8.8s\n", sprintf '%8f', $_ 
    for map{ 1.23456789 * $_} map{ "1e$_" } -10 .. 10;;
...
12345678
12345678
12345678