16:12 >perl -wE "say scalar('a', 'e', 'i', 'o', 'u');"
Useless use of a constant ("a") in void context at -e line 1.
Useless use of a constant ("e") in void context at -e line 1.
Useless use of a constant ("i") in void context at -e line 1.
Useless use of a constant ("o") in void context at -e line 1.
u
16:13 >