File: factorial_epp

package info (click to toggle)
erlang 1%3A21.2.6%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 186,672 kB
  • sloc: erlang: 1,385,067; xml: 388,825; ansic: 350,211; cpp: 51,513; makefile: 19,715; sh: 10,653; lisp: 9,336; java: 8,011; python: 4,853; perl: 3,977; asm: 3,413; pascal: 3,290; sed: 72
file content (17 lines) | stat: -rwxr-xr-x 265 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
#!/usr/bin/env escript
%% -*- erlang -*-

-module(factorial).
-export([main/1]).

-define(PREFIX, ?MODULE_STRING).

main([In]) ->
    X = list_to_integer(In),
    N = fac(X),
    io:format("~s ~w = ~w~n",[?PREFIX, X, N]).

fac(0) -> 1;
fac(N) ->
    N * fac(N-1).