Home · Extensions · .al

`.al`

3 claimants 1 primary 1 secondary unambiguous primary

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.

472.0K

total occurrences

296.9K

since 2019 (62.9%)

1970–2023

years active

Case variants in archive: .al (470.9K), .AL (503), .aL (425), .Al (229) — aggregated above.

Attribution status

This extension is attributed to AL as primary by 1 authoritative claim.

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

Disagree or have a correction? Open a labelling issue.

Claimants (3)

Languages that list .al among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
AL	linguist	primary
Perl	linguist	secondary
Aldor	wikipedia	proposed

Disambiguation rules (2)

Linguist heuristics that decide, by content, which language a .al file actually is.

Rule	Predicts	Kind	Predicates (truncated)
`h/linguist/.al/0`	AL	predicates	`[{"kind": "any", "regexes": ["\\b(?i:(CODEUNIT\|PAGE\|PAGEEXTENSION\|PAGECUSTOMIZATION\|DOTNET\|ENUM\|ENUMEXTENSION\|VALUE\|QUERY\|REPORT\|TABLE\|TABLEEXTENSION\|XMLPORT\|PROFILE\|CONTROLADDIN\|REPORTEXTENSION\|INTER`
`h/linguist/.al/1`	Perl	default	`[]`

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.

put_https3.al · 322 B · seen 155× in SWH

predicted: Perl via default-rule

swh:1:cnt:d9f16d16e120f7f0517ac8016932ee5305dec318;origin=https://github.com/jlord/git-it-electron;anchor=swh:1:rev:bde235f3467e3efda09c8ce3c693d6591153092a;path=/assets/PortableGit/usr/lib/perl5/vendor_perl/auto/Net/SSLeay/put_https3.al

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ssl_write_all.al · 5733 B · seen 154× in SWH

predicted: AL via heuristic

swh:1:cnt:ce7d627dc9913056219632a2adabc1f55650225d;origin=https://github.com/jlord/git-it-electron;anchor=swh:1:rev:bde235f3467e3efda09c8ce3c693d6591153092a;path=/assets/PortableGit/usr/lib/perl5/vendor_perl/auto/Net/SSLeay/ssl_write_all.al

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