headson ☆

« Back to VersTracker

Description:
Head/tail for structured data

Type: Formula | Tracked Since: Jan 2, 2026

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: cli rust data-processing csv json devtools

Install: brew install headson

About:
headson is a command-line utility designed to apply head and tail operations on structured data formats like CSV, JSON, and NDJSON. It preserves the integrity of the data structure, ensuring that headers and schema information remain intact in the output. This tool is ideal for quickly inspecting the beginning or end of large datasets without corrupting the file format.

Key Features:

Supports multiple structured formats (CSV, JSON, NDJSON)
Preserves headers and data structure
Efficient processing of large files
Rust-based implementation for high performance

Use Cases:

Previewing the first or last N records of a large log file
Extracting header information and sample data from CSVs
Debugging data pipelines by inspecting input/output streams

Alternatives:

head/tail – Standard unix tools are faster but break JSON/CSV structure by treating lines as independent entities.
jq – More powerful for complex JSON transformations, but requires verbose syntax for simple head/tail operations.

Version History

Detected	Version	Rev	Change	Commit
Jan 2, 2026 11:29pm		0	META	9056c5de