.res
2 claimants
1 primary
1 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.
2.7M
total files
1.3M
first seen 2021–2025 (48.7%)
2020
median year (half its files since)
Case variants in archive: .res (2.7M), .RES (23.6K), .Res (14.5K), .REs (1), .rES (1) — aggregated above.
Attribution status
This extension is attributed to ReScript as primary by 2 authoritative claims.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✓ Wikidata · Q116885321 ✗ Wikipedia · no claim
Claimants (3)
Languages that list
.res among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| ReScript | linguist | primary |
| ReScript | wikidata | primary |
| xml | linguist | secondary |
Wikidata says… (22)
File formats, image formats, audio codecs and other non-PL
entities that claim
.res 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.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| .NET Framework Resource data Q105860542 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |
| Alchemy Mindworks Resource data Q105860512 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |
| Allods 2 Rage Of Mages game data archive Q105860798 file format | file format | — | application/octet-stream | — | Use as new PL ↗ |
Disambiguation rules (1)
Linguist heuristics that decide, by content, which language a
.res file actually is.| Rule | Predicts | Kind | Predicates (truncated) | Measured on SWH |
|---|---|---|---|---|
h/linguist/.res/0 | ReScript | predicates | [{"kind": "any", "regexes": ["^\\s*(let|module|type)\\s+\\w*\\s+=\\s+", "^\\s*(?:include|open)\\s+\\w+\\s*$"]}] |
SWH-mined examples (0)
No archived examples for .res in our local mirror yet.