Oct  Dec  Hex  Char                   Oct  Dec  Hex  Char
-------------------------------------------------------------

056  46   2E   .                      156  110  6E   n

man ascii | awk '$3 == "2E"{print $4};$7 == "2E"{print $8}'

.

man ascii | awk '$3 == "6E"{print $4};$7 == "6E"{print $8}'

n

nothing