.pkl
2 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.
10.7M
total occurrences
5.2M
since 2019 (48.4%)
1970–2023
years active
Case variants in archive: .pkl (10.7M), .PKL (27), .Pkl (9) — aggregated above.
Attribution status
This extension is attributed to Pickle; Pkl as primary by 2 authoritative claims.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (2)
Languages that list
.pkl among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Pickle | linguist | primary |
| Pkl | linguist | primary |
Disambiguation rules (2)
Linguist heuristics that decide, by content, which language a
.pkl file actually is.| Rule | Predicts | Kind | Predicates (truncated) |
|---|---|---|---|
h/linguist/.pkl/0 | Pkl | predicates | [{"kind": "any", "regexes": ["^\\s*(module|import|amends|extends|local|const|fixed|abstract|open|class|typealias|@\\w+)\\b", "^\\s*[a-zA-Z0-9_$]+\\s*(=|{|:)|^\\s*`[^`]+`\\s*(=|{|:)|for\\s*\\(|when\\s* |
h/linguist/.pkl/1 | Pickle | default | [] |
SWH-mined examples (0)
No archived examples for .pkl in our local mirror yet.