process-substitution-fifos

Demonstrate bash process substitution, named pipes, and coprocesses for inter-process data exchange.

51|10|Updated Oct 22, 2025

Search Tags:#shell scripting #bash #ipc #data streaming #process substitution #fifos

Ready to run

npx skills add https://github.com/JosiahSiegel/claude-plugin-marketplace --skill process-substitution-fifos

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: process-substitution-fifos
Source: https://github.com/JosiahSiegel/claude-plugin-marketplace/tree/main/plugins/bash-master/skills/process-substitution-fifos
Command: npx skills add https://github.com/JosiahSiegel/claude-plugin-marketplace --skill process-substitution-fifos

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill empowers users to efficiently manage data flow between bash processes using advanced Inter-Process Communication (IPC) techniques, eliminating the need for temporary files and enabling complex data pipelines.

Core Features & Use Cases

Process Substitution: Treat command output as files for commands that require file arguments.
Named Pipes (FIFOs): Enable communication between unrelated processes.
Coprocesses: Run commands interactively within the current shell.
Use Case: Stream data from a network request directly into a processing script without saving it to disk first, or send logs to multiple destinations simultaneously.

Quick Start

Use the process-substitution-fifos skill to demonstrate sending data from one bash command to another using process substitution.

Frequently Asked Questions about process-substitution-fifos

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I pass command output to a bash command that requires a file argument?▼

Use bash process substitution to treat command output as a virtual file, passing it directly to commands requiring file arguments without creating temporary intermediate files on disk.

What is the best way to stream data between unrelated bash processes without temporary files?▼

Named pipes (FIFOs) enable direct data streaming between unrelated bash processes, allowing inter-process communication without writing intermediate data to temporary files.

How do bash coprocesses work for interactive inter-process communication?▼

Bash coprocesses run commands interactively within the current shell, establishing bidirectional inter-process communication channels for simultaneous reading and writing data streams.

Does process substitution work with Windows paths in bash scripts?▼

Process substitution works with Windows paths in bash, but requires specific path formatting adjustments to ensure proper inter-process communication and data streaming across environments.

What are the limitations of using FIFOs for data streaming in performance-critical pipelines?▼

FIFO limitations in performance-critical pipelines include potential blocking if reading and writing processes desync, requiring careful error handling and process synchronization to avoid deadlocks.

When do I need named pipes instead of standard bash pipelines?▼

You need named pipes (FIFOs) when communicating between unrelated processes or sending data to multiple destinations simultaneously, which standard linear bash pipelines cannot accomplish.