7 unset aaa2; export -n aaa2="ghi"
16 export aaa5=5 aaa6=6 aaa7=7 aaa8=8
17 export -n aaa5 aaa6=6n aaa7
30 export -nnnnnn nnnnnn; echo "Nothing:"; env | grep nnnnnn
32 export -n EXPORTED=123; echo "Nothing:"; env | grep ^EXPORTED
35 export -n EXPORTED; EXPORTED=123; echo "Nothing:"; env | grep ^EXPORTED