Split — Data Splitting Reference

---

name: "split"

version: "1.0.0"

description: "Data splitting techniques and strategies reference — partitioning datasets, string splitting, file splitting, and ML train/test splits. Use when dividing data, chunking files, or designing data partitioning strategies."

author: "BytesAgain"

homepage: "https://bytesagain.com"

source: "https://github.com/bytesagain/ai-skills"

tags: [split, partition, chunk, divide, data-processing, tokenize, atomic]

category: "atomic"

---

# Split — Data Splitting Reference

Quick-reference skill for data splitting techniques, partitioning strategies, and practical patterns.

When to Use

Commands

`intro`

scripts/script.sh intro

Overview of data splitting — concepts, common use cases, and terminology.

`string`

scripts/script.sh string

String splitting techniques — delimiters, regex, fixed-width, tokenization.

`file`

scripts/script.sh file

File splitting methods — by size, lines, patterns, and round-robin.

`dataset`

scripts/script.sh dataset

ML dataset splitting — train/val/test, stratified, time-series, k-fold.

`database`

scripts/script.sh database

Database partitioning — horizontal, vertical, hash, range, and list.

`strategies`

scripts/script.sh strategies

Splitting strategies for distributed systems — consistent hashing, sharding keys.

`examples`

scripts/script.sh examples

Practical split examples across languages and tools.

`pitfalls`

scripts/script.sh pitfalls

Common pitfalls and best practices when splitting data.

`help`

scripts/script.sh help

`version`

scripts/script.sh version

Configuration

| Variable | Description |

|----------|-------------|

| `SPLIT_DIR` | Data directory (default: ~/.split/) |

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