Fix error with non-interactive use
@ -217,7 +217,7 @@ main() {
# Ensure that we leave the terminal in a usable
# state on exit or Ctrl+C.
trap 'stty echo icanon' INT EXIT
[ -t 1 ] && trap 'stty echo icanon' INT EXIT
case $1 in
a*) pw_add "$2" ;;