Split — Data Splitting Reference
Quick-reference skill for data splitting techniques, partitioning strategies, and practical patterns.
When to Use
- - Splitting strings by delimiters, patterns, or fixed widths
- Partitioning datasets for ML training/validation/test
- Dividing large files into manageable chunks
- Database sharding and horizontal partitioning
- Understanding split strategies for distributed systems
Commands
intro
CODEBLOCK0
Overview of data splitting — concepts, common use cases, and terminology.
string
CODEBLOCK1
String splitting techniques — delimiters, regex, fixed-width, tokenization.
file
CODEBLOCK2
File splitting methods — by size, lines, patterns, and round-robin.
dataset
CODEBLOCK3
ML dataset splitting — train/val/test, stratified, time-series, k-fold.
database
CODEBLOCK4
Database partitioning — horizontal, vertical, hash, range, and list.
strategies
CODEBLOCK5
Splitting strategies for distributed systems — consistent hashing, sharding keys.
examples
CODEBLOCK6
Practical split examples across languages and tools.
pitfalls
CODEBLOCK7
Common pitfalls and best practices when splitting data.
help
CODEBLOCK8
version
CODEBLOCK9
Configuration
| Variable | Description |
|---|
| INLINECODE10 | Data directory (default: ~/.split/) |
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分割 — 数据分割参考手册
数据分割技术、分区策略及实用模式速查手册。
适用场景
- - 按分隔符、模式或固定宽度分割字符串
- 为机器学习训练/验证/测试划分数据集
- 将大文件拆分为可管理的小块
- 数据库分片与水平分区
- 理解分布式系统的分割策略
命令
intro
bash
scripts/script.sh intro
数据分割概述 — 概念、常见用例及术语。
string
bash
scripts/script.sh string
字符串分割技术 — 分隔符、正则表达式、固定宽度、分词。
file
bash
scripts/script.sh file
文件分割方法 — 按大小、行数、模式及轮询方式。
dataset
bash
scripts/script.sh dataset
机器学习数据集分割 — 训练/验证/测试、分层、时间序列、K折交叉验证。
database
bash
scripts/script.sh database
数据库分区 — 水平、垂直、哈希、范围及列表分区。
strategies
bash
scripts/script.sh strategies
分布式系统分割策略 — 一致性哈希、分片键。
examples
bash
scripts/script.sh examples
跨语言和工具的实际分割示例。
pitfalls
bash
scripts/script.sh pitfalls
数据分割的常见陷阱与最佳实践。
help
bash
scripts/script.sh help
version
bash
scripts/script.sh version
配置
| 变量 | 描述 |
|---|
| SPLIT_DIR | 数据目录(默认:~/.split/) |
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