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`.rpgle`

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.

78.7K

total files

22.7K

first seen 2021–2025 (28.8%)

2018

median year (half its files since)

Case variants in archive: .RPGLE (65.1K), .rpgle (13.6K), .Rpgle (7) — aggregated above.

Observed in Software Heritage

Study rpgle — What is actually in the .rpgle extension on Software Heritage? Report: docs/rpgle_swh_study.md · PDF.
Population. 13,002 .rpgle files in 534 repositories.
Sample. share of files — uniform over contents, n=1000 (996 judged); share of repositories — census: one random content per repository, 534 repos (514 judged). Each share says how it was estimated (judged sample, PPI over the rule-labelled sample, or tail census); 95 % interval in brackets.

Language / format	Share of files	Share of repositories
RPG IV / ILE RPG `pl/rpgle`	99.5% [98.8–99.8] · judged sample	97.5% [95.7–98.5] · judged sample
unknown / ambiguous	0.20% [0.1–0.7] · judged sample	0.58% [0.2–1.7] · judged sample
not code: data (tables, token lists, JSON)	0.20% [0.1–0.7] · judged sample	0.39% [0.1–1.4] · judged sample
other notation (DDS, XSLT template)	0.10% [0.0–0.6] · judged sample	0.58% [0.2–1.7] · judged sample
not code: docs (licence, ILEDocs metadata, plain text)	—	0.78% [0.3–2.0] · judged sample
not code: binary (EBCDIC)	—	0.19% [0.0–1.1] · judged sample

Within / about these files

Qualifier	Share of files	Share of repositories
RPG IV — fixed-format (column specs) (share of all judged files; 996 judged of 1000 sampled (4 non-text contents never judged))	40.7% [37.7–43.7] · judged sample	21.8% [18.4–25.6] · judged sample
RPG IV — fully-free (FREE) (share of all judged files; source_format per the judge (fully-free over-called vs the FR)	29.6% [26.9–32.5] · judged sample	49.0% [44.7–53.3] · judged sample
RPG IV — hybrid-free (share of all judged files; 996 judged of 1000 sampled (4 non-text contents never judged))	28.4% [25.7–31.3] · judged sample	25.5% [21.9–29.4] · judged sample
RPG IV — /COPY member (declarations only) (content_type copybook-or-header (declaration-only /COPY member); 996 judged of 1000 sample)	18.8% [16.5–21.3] · judged sample	18.5% [15.4–22.1] · judged sample

Attribution status

This extension is attributed to RPGLE 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 .rpgle among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
RPGLE	linguist	primary

SWH-mined examples (5)

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.

RPGLE (5) — 5 via extension study rpgle (LLM judges, human reviews)

routeParms.rpgle · 3035 B · SWH occurrences unknown

predicted: RPGLE via swh_study:rpgle (judge:claude-sonnet-4.6; rules:rpgle-reclass; rules:**FREE-directive)

swh:1:cnt:6b8bb106f451e1dc3a6ebc4c70336b0ca24d2cb2;origin=https://github.com/BezouwenR/ILEastic;path=/examples/routeParms.rpgle

Open in SWH · Raw bytes

Reviews (1 LLM)

Ground truth · how?

🤖 anthropic-claude-sonnet-4.6 rpgle-judge/1 → pl/rpgle (high) 2026-07-10

RPG IV / ILE RPG (free-form) · fully-free · program

SAX2.rpgle · 13603 B · SWH occurrences unknown

predicted: RPGLE via swh_study:rpgle (judge:claude-sonnet-4.6; rules:rpgle-reclass)

swh:1:cnt:fb687e99428d1d0bb9329ea4b129289f6921f05a;origin=https://github.com/kiyolee/libxml2;path=/os400/libxmlrpg/SAX2.rpgle

Open in SWH · Raw bytes

Reviews (1 LLM)

Ground truth · how?

🤖 anthropic-claude-sonnet-4.6 rpgle-judge/1 → pl/rpgle (high) 2026-07-10

RPG IV / ILE RPG (fixed-format) · fixed-format · copybook-prototype-header

getcust.rpgle · 2706 B · SWH occurrences unknown

predicted: RPGLE via swh_study:rpgle (judge:claude-sonnet-4.6; rules:rpgle-reclass; rules:**FREE-directive)

swh:1:cnt:fb62561ffae8014262d62cd96e8def238f2a7f44;origin=https://github.com/averan/averan;path=/getcust.rpgle

Open in SWH · Raw bytes

Reviews (1 LLM)

Ground truth · how?

🤖 anthropic-claude-sonnet-4.6 rpgle-judge/1 → pl/rpgle (high) 2026-07-10

RPG IV / ILE RPG (fully free-form) · fully-free · program

jsonread2.rpgle · 9282 B · SWH occurrences unknown

predicted: RPGLE via swh_study:rpgle (judge:claude-sonnet-4.6; rules:rpgle-reclass)

swh:1:cnt:4f96182b891079bf2064526f528935e81f8e4107;origin=https://github.com/ITMentalist/ibmi-2;path=/yajl/qrpglesrc/jsonread2.rpgle

Open in SWH · Raw bytes

Reviews (1 LLM)

Ground truth · how?

🤖 anthropic-claude-sonnet-4.6 rpgle-judge/1 → pl/rpgle (high) 2026-07-10

RPG IV / ILE RPG (hybrid-free) · hybrid-free · program

TAXRCPTPGM.rpgle · 3902 B · SWH occurrences unknown

predicted: RPGLE via swh_study:rpgle (judge:claude-sonnet-4.6; rules:rpgle-reclass)

swh:1:cnt:d7ffb6e923e4e01f3dd27fdad8ada7fca49044a1;origin=https://github.com/LBBNetwork/InventoryMangler400;path=/QRPGLESRC/TAXRCPTPGM.rpgle

Open in SWH · Raw bytes

Reviews (1 LLM)

Ground truth · how?

🤖 anthropic-claude-sonnet-4.6 rpgle-judge/1 → pl/rpgle (high) 2026-07-10

RPG IV / ILE RPG (fixed-format) · fixed-format · program