.upc
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.
8.7K
total files
1.4K
first seen 2021–2025 (16.2%)
2014
median year (half its files since)
Case variants in archive: .upc (7.5K), .UPC (1.2K) — aggregated above.
Attribution status
This extension is attributed to Unified Parallel C as primary by 1 authoritative claim.
Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Claimants (1)
Languages that list
.upc among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Unified Parallel C | linguist | primary |
SWH-mined examples (0)
No archived examples for .upc in our local mirror yet.