1 2f() { return $1; } 3 4[ `f 42; cat <<EOF 5$? 6EOF 7` = 42 ] || echo simple command bad 8 9long=`printf %08192d 0` 10 11[ `f 42; cat <<EOF 12$long.$? 13EOF 14` = $long.42 ] || echo long simple command bad 15