.tDistinct 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.
Case variants in archive: .t (3.1M), .T (37.9K) — aggregated above.
This extension is attributed to Raku; Terra; TOM; Turing as primary by 4 authoritative claims.
.t among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Raku | wikidata | primary |
| Terra | linguist | primary |
| TOM | wikidata | primary |
| Turing | linguist | primary |
| Perl | linguist | secondary |
| Perl | pygments | secondary |
| Raku | linguist | secondary |
| Raku | pygments | secondary |
| Raku (programming language) | pygments | secondary |
| Perl | wikipedia | proposed |
| TMG | wikipedia | proposed |
.t 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 |
|---|---|---|---|---|---|
| E-Tracker chiptune Q105858365 file format | file format | — | audio/x-mod | — | Use as new PL ↗ |
| TADS 3 Game Q105851215 file format | file format | — | application/x-t3vm-image | — | Use as new PL ↗ |
.t file actually is.| Rule | Predicts | Kind | Predicates (truncated) | Measured on SWH |
|---|---|---|---|---|
h/linguist/.t/0 | Perl | predicates | [{"kind": "not_any", "regexes": ["^\\s*use\\s+v6\\b"]}, {"kind": "any", "regexes": ["\\buse\\s+(?:strict\\b|v?5\\b)", "^\\s*use\\s+(?:constant|overload)\\b", "^\\s*(?:\\*|(?:our\\s*)?@)EXPORT\\s*=", " | |
h/linguist/.t/1 | Raku | predicates | [{"kind": "any", "regexes": ["^\\s*(?:use\\s+v6\\b|\\bmodule\\b|\\bmy\\s+class\\b)"]}] | |
h/linguist/.t/2 | Turing | predicates | [{"kind": "any", "regexes": ["^\\s*%[ \\t]+|^\\s*var\\s+\\w+(\\s*:\\s*\\w+)?\\s*:=\\s*\\w+"]}] |