.pro

8 claimants 6 primary 2 secondary shared primary (6)

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.

3.4M
total occurrences
549.2K
since 2019 (16.0%)
1970–2023
years active

Case variants in archive: .pro (3.4M), .PRO (14.0K), .PRo (567), .Pro (152) — aggregated above.

Attribution status

This extension is attributed to COOL; IDL; IDL; OpenCL; Proguard; Proguard; Prolog; QMake; QMake as primary by 9 authoritative claims.

Authoritative sources: ✓ Linguist ✓ Pygments ✓ Wikidata · Q163468 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (13)

Languages that list .pro among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
COOLpygmentsprimary
IDLlinguistprimary
IDLpygmentsprimary
OpenCLpygmentsprimary
Proguardlinguistprimary
Proguardpygmentsprimary
Prologwikidataprimary
QMakelinguistprimary
QMakepygmentsprimary
ECLiPSepygmentssecondary
inilinguistsecondary
Prologlinguistsecondary
Prologpygmentssecondary

Wikidata says… (18)

File formats, image formats, audio codecs and other non-PL entities that claim .pro 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
ChordPro Q5616826
simple markup for chords and lyrics
file formatUse as new PL ↗
APE ProSystem Atari 8-bit disk image (v2) Q105858124
file format
file formatapplication/octet-streamUse as new PL ↗
APE ProSystem Atari 8-bit disk image (v3) Q105857870
file format
file formatapplication/octet-streamUse as new PL ↗

Disambiguation rules (5)

Linguist heuristics that decide, by content, which language a .pro file actually is.
RulePredictsKindPredicates (truncated)
h/linguist/.pro/0Proguardpredicates[{"kind": "any", "regexes": ["^-(include\\b.*\\.pro$|keep\\b|keepclassmembers\\b|keepattributes\\b)"]}]
h/linguist/.pro/1Prologpredicates[{"kind": "any", "regexes": ["^[^\\[#]+:-"]}]
h/linguist/.pro/2inipredicates[{"kind": "any", "regexes": ["last_client="]}]
h/linguist/.pro/3QMakepredicates[{"kind": "any", "regexes": ["HEADERS"]}, {"kind": "any", "regexes": ["SOURCES"]}]
h/linguist/.pro/4IDLpredicates[{"kind": "any", "regexes": ["^\\s*(?i:function|pro|compile_opt) \\w[ \\w,:]*$"]}]

SWH-mined examples (1)

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.
ubiq.pro · 50 B · seen 3376× in SWH
predicted: unclassified via fallback
swh:1:cnt:88fa153a6ccb3529f980494c6fd1241787dd41a7;origin=https://github.com/timbog/GreatGunGame;anchor=swh:1:rev:2c6b7799780573ef06376775de9d8de37d1888ba;path=/my_qreal_project/qreal-master/plugins/ubiq.pro
Open in SWH · Raw bytes
Request more SWH-mined examples
If the examples above don't disambiguate what .pro is, request a fresh mining run.
(or open the pre-filled issue directly)