jsongrep
A command-line tool and Rust library for fast querying of JSON, YAML, TOML, and other documents using regular path expressions.
What is jsongrep?
jsongrep is a command-line tool and Rust library for querying structured data formats like JSON, YAML, TOML, and others using regular path expressions. It allows developers to declaratively describe and match paths through document trees to extract specific data efficiently, solving the problem of verbose or complex queries in tools like jq.
Developers, data engineers, and system administrators who work with structured configuration files, API responses, or serialized data and need to quickly extract, filter, or explore nested data without writing complex transformation pipelines.
jsongrep offers a fast, declarative path-matching syntax that compiles to efficient automata, supports multiple serialization formats natively, and provides clear path context for matches—making it simpler and more performant for many data extraction tasks compared to transformation-based alternatives.
Overview
A path query language for JSON, YAML, TOML, and other serialization formats.
Use Cases
Best For
- Extracting specific fields from deeply nested JSON API responses
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