#!/usr/local/bin/emacs --script
(princ "hello worldn")

$ ./hello.el
./hello.el: line 2: princ: command not found

#!/usr/local/bin/emacs --script
foo=bash?
echo $foo
ls -l | sort | tail -1

$ ./hello.el
bash?
total 7984

#!/usr/bin/emacs --script
(princ "hello worldn")

$ ls -l /usr/local/bin/emacs
lrwxr-xr-x  1 aki  staff  30 May 20  2013 /usr/local/bin/emacs -> ../Cellar/emacs/24.3/bin/emacs
$ file /usr/local/Cellar/emacs/24.3/bin/emacs
/usr/local/Cellar/emacs/24.3/bin/emacs: Bourne-Again shell script text executable
$ cat /usr/local/Cellar/emacs/24.3/bin/emacs
#!/bin/bash
/usr/local/Cellar/emacs/24.3/Emacs.app/Contents/MacOS/Emacs -nw  "$@"

#!/usr/local/Cellar/emacs/24.3/bin/emacs-24.3 --script
(princ "hello worldn")