Brainfuck

1 program Added 2025-10-30T17:45:18Z Model: google/gemini-2.5-proTemp: 0.4 Evidence Report issue View issues
Aliases: —
Provenance: commit 85c0ec77b4 · authored 2025-10-30T18:45:18+01:00 · model google/gemini-2.5-pro

Sources mentioning this language

8 sources · pl_id: pl/brainfuck
LLM (this repo) · 1PldbLinguistPygmentsWikipediaEsolangHyperpolyglotWikidata · Q244627

Wikipedia infobox

Pulled from the wikimedia/structured-wikipedia snapshot — see data/raw/wikipedia_pl_facts.*.jsonl and pl_fact.csv for the long-table provenance.

Paradigmsesoteric · imperative · structured
Typingtypeless
Designed byUrban Müller
First appeared1993
Influenced byP′′ · FALSE
Homepagehttps://brainfuck.org/

Extensions claimed by this language

6 claims. Each row is one upstream assertion with its strength. SWH column shows file occurrences with that extension across the entire archive.
ExtensionSourceStrengthSWH
.blinguistprimary165.4K files
.bwikidataprimary165.4K files
.bfpygmentsprimary2.0M files
.bfwikidataprimary2.0M files
.bpygmentssecondary165.4K files
.bflinguistsecondary2.0M files

Related languages

Brainfork (0.47)BF Joust (0.42)EBF (0.40)Brain (0.38)Brain-Flak (0.37)

LLM-contributed programs

ROT13 Cipher in Brainfuck

Provenance: commit 85c0ec77b4 · authored 2025-10-30T18:45:18+01:00 · model google/gemini-2.5-pro · Temp 0.4
code.b · license: CC0 1.0 Universal · added: 2025-10-30T17:45:18Z
,[>-[--->+<]>-.[--->+<]>---.---------------      Loop until 0 is entered
.[->++++++++++<]>.[----<+>]<.[->+<]>-.>+                      M -> Z
.[->++++++++++<]>.[----<+>]<.[->+<]>-.>+                      A -> L
<            Go back to the comma
,]           End of loop

Real programs from Software Heritage

No SWH evidence indexed yet for this language. (Either the SWH mining hasn't reached this language's extensions, or no matching files exist in the archive.)

Disambiguation rules

Linguist heuristic rules that predict this language when one of its claimed extensions is shared with another.
RuleExtKindPredicates (truncated)
h/linguist/.bf/2.bfpredicates[{"kind": "any", "regexes": ["(>\\+>|>\\+<)"]}]

Contribute — propose a file extension

Tell us where to find evidence about Brainfuck (mapped to pl/brainfuck). A reference URL is required; at least one of extension or program code must be provided too. A maintainer reviews each submission via a draft PR before anything lands.
Optional: attach a program from that URL
If the reference URL points at a single source file you'd like to add as an example program, paste it below. The workflow will write it under languages/Brainfuck/programs/<sha>/. Keep under ~200 lines.
(or open the pre-filled issue directly)
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