.ck
1 claimant
1 primary
0 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.
73.3K
total files
19.2K
first seen 2021–2025 (26.2%)
2017
median year (half its files since)
Case variants in archive: .ck (73.2K), .CK (34), .Ck (4) — aggregated above.
Attribution status
This extension is attributed to ChucK as primary by 1 authoritative claim.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.ck among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| ChucK | linguist | primary |
SWH-mined examples (0)
No archived examples for .ck in our local mirror yet.