.as
4 claimants
2 primary
0 secondary
shared primary (2)
SWH popularity
From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
6.4M
total occurrences
759.6K
since 2019 (11.8%)
1970–2023
years active
Case variants in archive: .as (6.4M), .AS (934), .As (29), .aS (2) — aggregated above.
Attribution status
This extension is attributed to ActionScript; ActionScript; AngelScript; AngelScript as primary by 4 authoritative claims.
Claimants (7)
Languages that list
.as among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| ActionScript | linguist | primary |
| ActionScript | pygments | primary |
| AngelScript | linguist | primary |
| AngelScript | pygments | primary |
| ActionScript | wikipedia | proposed |
| Aldor | wikipedia | proposed |
| ATLAS | wikipedia | proposed |
Wikidata says… (5)
File formats, image formats, audio codecs and other non-PL
entities that claim
.as 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 |
|---|---|---|---|---|---|
| ActionScript file format Q27826417 file format | file format | — | application/ecmascript; text/actionscript; text/x-actionscript; application/x-actionscript | — | Use as new PL ↗ |
| Applixware Spreadsheet Q51923000 file format | file format | — | — | — | Use as new PL ↗ |
| Audio Sculpture Q27967076 file format | file format | — | — | — | Use as new PL ↗ |
Disambiguation rules (1)
Linguist heuristics that decide, by content, which language a
.as file actually is.| Rule | Predicts | Kind | Predicates (truncated) |
|---|---|---|---|
h/linguist/.as/0 | ActionScript | predicates | [{"kind": "any", "regexes": ["^\\s*(?:package(?:\\s+[\\w.]+)?\\s+(?:\\{|$)|import\\s+[\\w.*]+\\s*;|(?:intrinsic\\s+)class\\s+[\\w<>.]+|\\s+class\\s+extends\\s+[\\w<>.]+|(?:(?:public|protected|private| |
SWH-mined examples (0)
No archived examples for .as in our local mirror yet.