Você pode tentar isso:
$ awk 'BEGIN{printf "%3.0f\n", 3.6}'
4
Nossa opção de formato tem duas partes:
-
3
: a saída de significado será preenchida com 3 caracteres. -
.0f
: a saída de significado não terá precisão, ou seja, arredondada.
De man awk
, você pode ver mais detalhes:
width The field should be padded to this width. The field is normally padded
with spaces. If the 0 flag has been used, it is padded with zeroes.
.prec A number that specifies the precision to use when printing. For the %e,
%E, %f and %F, formats, this specifies the number of digits you want
printed to the right of the decimal point. For the %g, and %G formats,
it specifies the maximum number of significant digits. For the %d, %o,
%i, %u, %x, and %X formats, it specifies the minimum number of digits to
print. For %s, it specifies the maximum number of characters from the
string that should be printed.