View Problem
Strings
Printing

string-wrap

Wrap the string "The quick brown fox jumps over the lazy dog. " repeated ten times to a max width of 78 chars, starting each line with "> "

Expected output:
> The quick brown fox jumps over the lazy dog. The quick brown fox jumps over t
> he lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox
> jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The qui
> ck brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy
> dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps o
> ver the lazy dog. The quick brown fox jumps over the lazy dog.
DiskEdit
ruby 1.8.7
str = "The quick brown fox jumps over the lazy dog. " * 10
outarr = str.scan(/[^ ].{0,76}/)
outarr.each{ |line| puts "> %s" % line }
DiskEdit
clojure
(defn string-wrap [s]
(if (= 0 (count s))
nil
(lazy-seq (cons (apply str (take 78 s))
(string-wrap (drop 78 s))))))

(let [s (apply str (repeat 10 "The quick brown fox jumps over the lazy dog. "))]
(doseq [line (string-wrap s)]
(println "> " line)))
DiskEdit
erlang
wrapper(String, Times, Length) ->
StrList = lists:reverse(formatter(string:copies(String, Times), Length, [])),
lists:foreach(fun(Str) -> io:format("~p~n", [Str]) end, StrList).

formatter([], _Length, Acc) -> Acc;
formatter(String, Length, Acc) when length(String) > Length - 1->
{Head, Tail} = lists:split(Length - 1, String),
formatter(string:strip(Tail), Length, [[$>, $ | Head] | Acc]);
formatter(String, Length, Acc) ->
formatter([], Length, [[$>, $ | String] | Acc]).

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