.asy

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.

101.1K
total occurrences
45.0K
since 2019 (44.5%)
1970–2023
years active

Case variants in archive: .asy (101.0K), .ASY (56), .Asy (2) — aggregated above.

Attribution status

This extension is attributed to Asymptote; Asymptote; LTspice Symbol; LTspice Symbol as primary by 4 authoritative claims.

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

Disagree or have a correction? Open a labelling issue.

Claimants (4)

Languages that list .asy among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
Asymptotelinguistprimary
Asymptotepygmentsprimary
LTspice Symbollinguistprimary
LTspice Symbolpygmentsprimary

Wikidata says… (2)

File formats, image formats, audio codecs and other non-PL entities that claim .asy 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
Asymptote file format Q128616565
file format
file formattext/x-asymptoteUse as new PL ↗
LTSpice Symbol Q105854349
file format
file formattext/plainUse as new PL ↗

Disambiguation rules (2)

Linguist heuristics that decide, by content, which language a .asy file actually is.
RulePredictsKindPredicates (truncated)
h/linguist/.asy/0LTspice Symbolpredicates[{"kind": "any", "regexes": ["^SymbolType[ \\t]"]}]
h/linguist/.asy/1Asymptotedefault[]

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.
figlinescalarfield4_3D.asy · 2347 B · seen 32× in SWH
predicted: Asymptote via default-rule
swh:1:cnt:6e9e5de8c6ca1b1b217b505f0b8023a523101f39;origin=https://github.com/APEXCalculus/APEXCalculus_Source;anchor=swh:1:rev:fddeb9898bd913cec139bb5bfb54b5ddc05ca901;path=/figures/figlinescalarfield4_3D.asy
Open in SWH · Raw bytes
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If the examples above don't disambiguate what .asy is, request a fresh mining run.
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