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`.4dm`

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.

127.8K

total files

92.4K

first seen 2021–2025 (72.2%)

2022

median year (half its files since)

Attribution status

This extension is attributed to 4D as primary by 1 authoritative claim.

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

Disagree or have a correction? Open a labelling issue.

Claimants (1)

Languages that list .4dm among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
4D	linguist	primary

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive, grouped by predicted language and by how the prediction was made. Useful for deciding what this extension actually is when the attribution is uncertain.

4D (1) — 1 via unique-primary

DEMOS_List.4dm · 403 B · seen 2× in SWH

predicted: 4D via unique-primary

swh:1:cnt:6ab38489871b6e1c43b38473a9985013e1e4a527;origin=https://github.com/sampoh/DEMO_APP_V19;anchor=swh:1:rev:02639f908f1fefc6529268a2e1349bed82daec60;path=/DEMO_Server/Project/Sources/Methods/DEMOS_List.4dm

Open in SWH · Raw bytes