{4}echo{0} {9}$*{0}
{4}echo{0} {9}$@{0}
{4}echo{0} {9}$?{0}
{4}echo{0} {9}$-{0}
{4}echo{0} {9}$${0}
{4}echo{0} {9}$!{0}
{4}echo{0} {9}$_{0}
{4}echo{0} ${7}%{0}
{4}echo{0} ${7}<{0}

{8}ifeth{7}=$({8}ls{0} {7}/{8}sys{7}/{8}class{7}/{8}net{0} {7}|{0} {8}grep{0} {7}^{5}"{9}$intf{5}"{0} {7}|{0} {8}grep{0} {5}"{9}$intf{5}"{0}${7}){0}