fiux-0.5.2 is not a library.

fiux

The fastest multi-format file converter CLI tool.

Supports NDJSON, JSON, CSV, PSV, TSV, TOML formats and more!
Support for more formats will be added soon.

Features

Convert between NDJSON, JSON, TOML, CSV, TSV, PSV and more!
Validate files quickly with detailed logs for debugging
The fastest thanks to being written in highly optimized Rust
Highly memory efficient for low resource environments through streaming architecture and optimized allocations.
Intuitive and easy to use out of the box, built in 100% pure Rust which makes it easy to install.

Installation

cargo install fiux

And that's it! You've installed fiux!

Usage

# conversion
fiux convert <INPUT> -o <OUTPUT>

# validation
fiux validate <INPUT>

# options (flags)
fiux validate <INPUT> --log-file err.md
fiux convert <INPUT> --output <OUTPUT> -a

benchmarks

Benchmarks were done with a 100k line CSV converted to other formats for consistency across benchmarks

Benchmark	fiux	Node.js	Miller / jq (C)
CSV → JSON	~95ms	~1.29s	Miller: ~603ms
CSV → TOML	~101ms	~1.6s	No native TOML support
JSON → TOML	~888ms	~8.7s	No native TOML support
TOML → JSON	~862ms	~9s	No native TOML support
CSV → NDJSON	~97ms	~1.2s	Miller: ~2.85s
JSON → NDJSON	~750ms	~6s	jq: ~2.77s \| Miller: ~2.92s
TOML → NDJSON	~921ms	~12s	No native TOML support
NDJSON → JSON	~310ms	~6.2s	jq: ~2.65 \| Miller: ~2.88s
NDJSON → TOML	~820ms	~10.8s	No native TOML support

As you can see from these benchmarks, fiux is much faster than most industry-standard file conversion tools, fiux scales even better on better / server hardware! (using SSH)

Note: TOML conversions are generally slower than other formats since TOML is very limited when it comes to streaming and parsing is slower as it is more complicated than other formats.

Notes