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sct info

Inspect any file produced by sct and print a summary — without needing to open a database or write a query.

Accepts .ndjson, .db, and .arrow files.

Usage

sct info <FILE>

Examples

sct info snomed-uk-20260311.ndjson
sct info snomed.db
sct info snomed-embeddings.arrow

Output by file type

.ndjson

File:       snomed-uk-20260311.ndjson
Size:       1.1 GB
Release:    20260311 (inferred from filename)
Concepts:   831,042 active
Schema:     version 2

By hierarchy:
  Clinical finding    437,219
  Procedure           155,823
  Body structure       76,441
  ...

Reports: - Total active concept count - Inactive concept count (if --include-inactive was used at build time) - schema_version - Release date (inferred from filename) - Hierarchy breakdown

.db

File:       snomed.db
Size:       1.3 GB
Concepts:   831,042
Schema:     version 2
FTS rows:   831,042
IS-A edges: 1,847,331

By hierarchy:
  Clinical finding    437,219
  ...

Reports: - Concept count - schema_version - FTS5 row count - IS-A edge count (concept_isa table) - Hierarchy breakdown

.arrow

File:        snomed-embeddings.arrow
Size:        2.4 GB
Embeddings:  831,042
Dimensions:  768
Model:       (not stored — check how you built it)

Reports: - Embedding count - Embedding dimension - Arrow schema - File size

See also