jpmens/jo
Jo
Jo is a command-line utility designed to construct and manipulate JSON objects and arrays directly from shell arguments and standard input. It functions as a data processing tool that transforms raw input into structured formats, enabling the generation of complex payloads for APIs, configuration files, and automated data pipelines.
The tool distinguishes itself through its ability to resolve hierarchical data structures using delimiter-based path definitions and its integrated type-inference engine, which automatically casts input values into native boolean, numeric, or null types. Users can exert precise control over the output through explicit data type enforcement, content filtering, and the ability to embed external file contents directly into the generated structure.
The utility supports a wide range of data construction tasks, including merging new information into existing structures and toggling between compact and pretty-printed output layouts. It integrates into shell-based workflows by providing standardized exit codes to signal the success or failure of data transformation operations.
Features
- JSON Construction Utilities - Constructs and manipulates JSON objects and arrays directly from shell arguments and standard input streams.
- JSON Object Persistence - Constructs structured JSON objects from command-line arguments with automatic type inference.
- Nested JSON Builders - Builds complex hierarchical JSON structures using delimiter-separated key paths.
- Argument Parsing - Provides command-line argument parsing to construct structured JSON objects from shell input.
- Command-Line Format Conversion - Converts unstructured text and shell output into structured JSON formats for easier parsing and manipulation.
- JSON Structure Definition - Creates complex data structures by supporting nested objects, arrays, and automatic type detection.
- Data Processing Tools - Provides a command-line interface for transforming raw input values into structured data formats for use in pipelines.
- JSON Array Generators - Consumes sequences of values from standard input or arguments to organize them into JSON arrays.
- Input Transformation Utilities - Transforms raw input values from files or standard input into structured data fields.
- JSON Object Merging - Integrates new information into existing JSON structures by merging data from files or piped input.
- JSON Output Formats - Adjusts JSON output presentation between compact and pretty-printed layouts.
- Configuration File Generators - Generates JSON-based configuration files programmatically to ensure consistent settings across environments.
- JSON Generation Utilities - Creates structured JSON data directly from command-line arguments to simplify data integration in shell scripts.
- Type Inference Engines - Automatically detects and casts input values into native boolean, numeric, or null types during object construction.
- Standard Input Processing - Processes data from standard input streams to dynamically populate and update generated JSON structures.
- Nested Property Path Resolution - Resolves nested object hierarchies using delimiter-based path definitions.
- Request Payload Construction - Constructs complex JSON request bodies for APIs using command-line arguments.
- Data Processing - Utility for creating JSON objects from command-line arguments.
- JSON and Tree Data - Create JSON objects from shell commands.
- Terminal Utilities - Generates JSON output from shell commands.
Star history
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