.rsc
2 claimants
2 primary
0 secondary
shared primary (2)
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.
652.7K
total files
427.6K
first seen 2021–2025 (65.5%)
2023
median year (half its files since)
Case variants in archive: .rsc (649.2K), .RSC (3.5K), .Rsc (14), .rSC (9), .RSc (3) — aggregated above.
Attribution status
This extension is attributed to Rascal; RouterOS Script as primary by 2 authoritative claims.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (2)
Languages that list
.rsc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Rascal | linguist | primary |
| RouterOS Script | linguist | primary |
Wikidata says… (3)
File formats, image formats, audio codecs and other non-PL
entities that claim
.rsc 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 |
|---|---|---|---|---|---|
| GEM resource file Q28205503 file format | file format | — | — | — | Use as new PL ↗ |
| MicroStation Symbology Resources Q105860903 file format | file format | — | — | — | Use as new PL ↗ |
| Symbian OS resource data Q105860627 file format | file format | — | — | — | Use as new PL ↗ |
Disambiguation rules (2)
Linguist heuristics that decide, by content, which language a
.rsc file actually is.| Rule | Predicts | Kind | Predicates (truncated) | Measured on SWH |
|---|---|---|---|---|
h/linguist/.rsc/0 | Rascal | predicates | [{"kind": "any", "regexes": ["^[ \\t]*module[ \\t]+\\w+(?:::\\w+)*[ \\t]*\\r?$"]}] | |
h/linguist/.rsc/1 | RouterOS Script | predicates | [{"kind": "any", "regexes": ["^[ \\t]*:(?:local|global)[ \\t]+[A-Za-z0-9]+(?:[ \\t;]|\\r?$)"]}] |
SWH-mined examples (0)
No archived examples for .rsc in our local mirror yet.