Do I need to install GNU Parallel to use these patterns?

While many patterns leverage GNU Parallel for its power, the skill also includes native Bash job control and xargs strategies that work without additional external dependencies.

Can these parallel patterns be used on Windows systems?

Yes, these patterns are compatible with WSL and Git Bash. When using Claude's tools on Windows, ensure you follow the backslash requirement for file paths.

How do these patterns improve script performance?

They allow Claude to refactor sequential, one-by-one task execution into multi-threaded operations, utilizing all available CPU cores and reducing total execution time.

Does it handle error management for parallel tasks?

Yes, the patterns include robust failure handling, job logging, retries, and exit status tracking to ensure reliability in concurrent environments.

Bash Parallel Processing

Name: Bash Parallel Processing
Author: JosiahSiegel

byJosiahSiegel

•

Developer Tools

Implements high-performance parallel and concurrent execution patterns in Bash scripts using GNU Parallel, xargs, and worker pools.

About

This skill equips Claude with specialized knowledge for optimizing shell script performance through concurrency and parallelization. It provides detailed patterns for GNU Parallel, including distributed execution and resource throttling, alongside lightweight alternatives using xargs and native Bash job control. Ideal for DevOps engineers and developers, it enables the creation of resilient worker-consumer architectures, async promise-like patterns, and sophisticated semaphore-based job pools to handle massive data processing or automated system tasks efficiently.

Key Features

Advanced job pool and semaphore patterns for controlled concurrency
Resource-aware throttling based on CPU load and memory availability
7 GitHub stars
Lightweight parallelization using xargs with complex command handling
Modern async/await and promise-like implementations for shell scripts
GNU Parallel configuration for multi-core and distributed SSH execution

Use Cases

Optimizing data-heavy ETL pipelines and large-scale file transformations
Building high-concurrency background worker systems for automation scripts
Managing distributed task execution across multiple remote servers via SSH

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add josiahsiegel/claude-plugin-marketplace parallel-processing-patterns

For use in Claude.ai and ChatGPT

Download Skill

GitHub