.reb

1 claimant 1 primary 0 secondary unambiguous primary

SWH popularity

Distinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.

21.6K
total files
12.1K
first seen 2021–2025 (56.0%)
2021
median year (half its files since)

Case variants in archive: .reb (21.5K), .REB (29), .Reb (1) — aggregated above.

Attribution status

This extension is attributed to REBOL as primary by 2 authoritative claims.

Authoritative sources: ✓ Linguist △ Pygments · secondary ✓ Wikidata · Q1359171 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (3)

Languages that list .reb among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
REBOLlinguistprimary
REBOLwikidataprimary
REBOLpygmentssecondary

Wikidata says… (1)

File formats, image formats, audio codecs and other non-PL entities that claim .reb on Wikidata (property P1195) or in the Wikipedia infobox. Source: data/derived/external_extension_index.csv. Click Use as new PL on any row to open the Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata URL, and this extension — one submission creates the PL + claim.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
REBOL file format Q130603160
file format
file format—text/x-rebol—Use as new PL ↗

SWH-mined examples (0)

No archived examples for .reb in our local mirror yet.

Need an archived example for this extension?
No verbatim file with extension .reb in our local SWH mirror yet. Submit a sample-mining request and a maintainer will run swh_extension_mining.py against the live archive for this extension; samples land here once the run completes.
(or open the pre-filled issue directly)