.pas

3 claimants 3 primary 0 secondary shared primary (3)

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.

5.0M
total occurrences
865.7K
since 2019 (17.4%)
1970–2023
years active

Case variants in archive: .pas (4.9M), .PAS (115.0K), .Pas (630) — aggregated above.

Attribution status

This extension is attributed to Delphi; Delphi; Pascal; Pascal; Pascal; PascalABC.NET as primary by 6 authoritative claims.

Authoritative sources: ✓ Linguist ✓ Pygments ✓ Wikidata · Q4037189 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (6)

Languages that list .pas among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
Delphipygmentsprimary
Delphiwikidataprimary
Pascallinguistprimary
Pascalpygmentsprimary
Pascalwikidataprimary
PascalABC.NETwikidataprimary

Wikidata says… (5)

File formats, image formats, audio codecs and other non-PL entities that claim .pas 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.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
Delphi Q4037189
programming language (dialect of Object Pascal, used in Embarcadero Delphi)
programming language; object-oriented programmingUse as new PL ↗
Pascal script Q34284437
file format
file formatUse as new PL ↗
Pascal unit file Q123693374
file format
file formatUse as new PL ↗

SWH-mined examples (2)

Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.
arrays2.pas · 333 B · seen 2256× in SWH
predicted: unclassified via fallback
swh:1:cnt:d9122e8a2adc578130a43181eff6e674b0d9d4e2;origin=https://github.com/pascalabcnet/pascalabcnet;anchor=swh:1:rev:e6e67c193c17759ee72a42dce8c2e98784b1ca3a;path=/TestSuite/arrays2.pas
Open in SWH · Raw bytes
RBDMUtils.pas · 2195 B · seen 2228× in SWH
predicted: unclassified via fallback
swh:1:cnt:16d9306e3796192f288d337bcbf22cbf9cb8f497;origin=https://github.com/pascalabcnet/pascalabcnet;anchor=swh:1:rev:49378a6750a8ee31b5083e0a2f0876bc3e2aee4c;path=/bin/Lib/RBDMUtils.pas
Open in SWH · Raw bytes
Request more SWH-mined examples
If the examples above don't disambiguate what .pas is, request a fresh mining run.
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