Strings in Erlang

gistfile1.txt

Erlang/OTP 20 [erts-9.3] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [kernel-poll:false]

Eshell V9.3  (abort with ^G)
1> str:print("Here's a hint").
Char: H
Char: e
Char: r
Char: e
Char: '
Char: s
Char:  
Char: a
Char:  
Char: h
Char: i
Char: n
Char: t
Done
ok
2> 

str.erl

-module(str).
-export([print/1]).

print([]) ->
    io:format("Done~n");
print([Char|Chars]) ->
    io:format("Char: ~c~n", [Char]),
    print(Chars).