Brainfuck interpreter

Submit

Language is selected by the extension of the file. See the list of supported languages to know the extension of your language.

Problem

Interpret a Brainfuck program. EOF returns 0. Cells wrap around, but memory pointer does not. A ! character separates the program from input.

See http://esolangs.org/wiki/BF for spec and examples.

Options

exec is denied

now post-mortem time, all source codes will be revealed

Sample input:_

++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.

Sample output:

Hello World!

Sample input:_

,[.,]!Input happens character by character.

Sample output:

Input happens character by character.

Ranking

Ruby _

Rank	User	Size	Time	Date	Statistics
1	mitchs	31	0.0235	2014/07/11 22:54:10	0B / 18B / 12B
2	leonid	31	0.0239	2014/07/16 09:56:26	0B / 18B / 10B
3	jpl	31	0.0236	2014/07/17 04:20:13	0B / ?B / ?B
4	Histocrat (cheat)	32	0.0227	2014/07/15 23:35:21	0B / 19B / 11B
5	kaki	31	0.0454	2014/12/02 15:31:55	0B / 18B / 11B

Perl _

Rank	User	Size	Time	Date	Statistics
1	mitchs	30	0.0215	2014/07/11 22:50:44	0B / 15B / 14B
2	teebee	30	0.0226	2014/07/12 02:16:22	0B / 15B / 14B
3	test1	30	0.0237	2014/07/14 00:35:51	0B / ?B / ?B
4	brx	30	0.0216	2014/07/17 07:58:52	0B / 15B / 14B
5	whio	30	0.0216	2014/08/08 02:45:46	0B / 15B / 14B

Python _

Rank	User	Size	Time	Date	Statistics
1	mitchs	41	0.0726	2014/07/11 16:51:47	0B / 27B / 12B
2	hallvabo	41	0.0571	2014/07/16 09:40:34	0B / 27B / 12B
3	leonid	41	0.0668	2014/07/16 09:49:50	0B / 27B / 12B
4	rolf	41	0.0743	2014/07/26 01:55:02	0B / 27B / 12B

Python3 _

Rank	User	Size	Time	Date	Statistics
1	mitchs	38	0.3993	2014/07/11 16:53:56	0B / 24B / 13B

Scheme _

Rank	User	Size	Time	Date	Statistics
1	kaki	51	0.0386	2014/12/02 15:24:49	0B / 24B / 26B

JavaScript _

Rank	User	Size	Time	Date	Statistics
1	_nderscore	52	0.0285	2014/07/12 00:43:50	0B / 37B / 13B
2	teebee	52	0.0311	2014/07/12 07:47:25	0B / 37B / 13B
3	#c0ffee ( I'm sorry )	51	0.0471	2025/01/11 21:46:57	0B / ?B / ?B

Lua _

Rank	User	Size	Time	Date	Statistics
1	Hendrik	48	0.0841	2014/07/26 16:21:15	0B / 30B / 15B
2	teebee	48	0.0215	2014/07/26 18:02:31	0B / 30B / 15B

BASIC _

Rank	User	Size	Time	Date	Statistics
1	teebee	54	0.0216	2014/08/02 11:17:40	0B / 31B / 19B

K _

Rank	User	Size	Time	Date	Statistics
1	teebee	28	0.0216	2014/07/27 03:10:12	0B / 14B / 13B

Jelly _

Rank	User	Size	Time	Date	Statistics
1	Erik the Outgolfer	12	0.5407	2021/04/22 02:47:27	9B / 1B / 2B

C _

Rank	User	Size	Time	Date	Statistics
1	mitchs	46	0.0226	2014/07/11 23:14:22	0B / 27B / 18B
2	teebee	46	0.0108	2014/07/17 07:40:55	0B / 27B / 18B

Haskell _

Rank	User	Size	Time	Date	Statistics
1	henkma	38	0.0217	2014/07/25 03:02:08	0B / 30B / 6B
2	cojna	38	0.0263	2014/07/26 14:27:17	0B / 30B / 6B
3	nooodl	60	0.0280	2014/07/26 01:40:49	0B / ?B / ?B

AWK _

Rank	User	Size	Time	Date	Statistics
1	mitchs	28	0.0210	2014/07/16 22:30:42	0B / 17B / 10B
2	teebee	28	0.0211	2014/07/17 06:27:24	0B / 17B / 10B
3	llhuii	28	0.0210	2014/07/17 09:38:26	0B / 17B / 10B

sed _

Rank	User	Size	Time	Date	Statistics
1	teebee	23	0.0222	2014/07/30 16:48:32	0B / 13B / 7B
2	mitchs	23	0.0211	2014/08/05 18:19:54	0B / 13B / 7B

xgawk _

Rank	User	Size	Time	Date	Statistics
1	mitchs	28	0.0219	2014/07/16 22:30:19	0B / 17B / 10B
2	teebee	28	0.0301	2014/07/17 06:31:55	0B / 17B / 10B
3	llhuii	28	0.0214	2014/07/17 09:38:38	0B / 17B / 10B

R _

Rank	User	Size	Time	Date	Statistics
1	teebee	64	0.2618	2014/08/08 04:20:21	0B / 44B / 19B
2	NikNakk	430	0.3091	2014/08/08 03:34:44	0B / ?B / ?B

Brainfuck _

Rank	User	Size	Time	Date	Statistics
1	mitchs (cheat)	47	0.0350	2014/07/11 16:26:21	1B / 10B / 35B
2	mitchs (cheat)	45	0.0222	2014/08/12 12:48:46	2B / 10B / 32B

><> _

Rank	User	Size	Time	Date	Statistics
1	Bo Tie	76	0.1227	2021/05/27 21:22:06	0B / ?B / ?B

GolfScript _

Rank	User	Size	Time	Date	Statistics
1	nooodl	23	0.0333	2014/07/17 06:52:53	0B / ?B / ?B
2	whio	23	0.0451	2014/08/08 08:04:41	0B / 13B / 9B
3	JWinslow23 (I am such a cheater)	60	0.0378	2014/07/20 09:40:35	0B / 47B / 8B

gs2 _

Rank	User	Size	Time	Date	Statistics
1	Erik the Outgolfer	5	0.1342	2021/04/22 02:58:27	2B / 2B / 1B

FlogScript _

Rank	User	Size	Time	Date	Statistics
1	nooodl	8	0.0635	2014/07/25 04:34:01	0B / ?B / ?B
2	NikNakk	21	0.4747	2014/08/08 03:40:25	0B / ?B / ?B
3	milieu	7	0.0742	2014/08/11 14:05:02	0B / ?B / ?B

Burlesque _

Rank	User	Size	Time	Date	Statistics
1	Hendrik	33	0.0225	2014/08/04 13:07:02	0B / 20B / 12B
2	Hendrik	25	0.1076	2014/08/11 00:36:31	0B / 15B / 9B

Vim _

Rank	User	Size	Time	Date	Statistics
1	udioica	21	0.0224	2017/05/30 04:51:14	1B / 17B / 2B

Groovy _

Rank	User	Size	Time	Date	Statistics
1	teebee	40	1.7457	2014/07/26 07:30:04	0B / 24B / 15B

Logo _

Rank	User	Size	Time	Date	Statistics
1	teebee	42	0.0224	2014/07/27 08:44:06	0B / 30B / 5B

Language Ranking_

Rank	Lang	User	Size	Score
1	gs2	Erik the Outgolfer	5	10000
2	FlogScript	milieu	7	7142
3	Jelly	Erik the Outgolfer	12	4166
4	Vim	udioica	21	2380
5	GolfScript	nooodl	23	2173
6	sed	teebee	23	2173
7	Burlesque	Hendrik	25	2000
8	xgawk	mitchs	28	1785
9	AWK	mitchs	28	1785
10	K	teebee	28	1785
11	Perl	mitchs	30	1666
12	Ruby	mitchs	31	1612
13	Python3	mitchs	38	1315
14	Haskell	henkma	38	1315
15	Groovy	teebee	40	1250
16	Python	mitchs	41	1219
17	Logo	teebee	42	1190
18	Brainfuck	mitchs (cheat)	45	1111
19	C	mitchs	46	1086
20	Lua	Hendrik	48	1041
21	Scheme	kaki	51	980
22	JavaScript	#c0ffee ( I'm sorry )	51	980
23	BASIC	teebee	54	925
24	R	teebee	64	781
25	><>	Bo Tie	76	657

return to the top page