userun 0.1.2

Run multiple shell commands concurrently with readable, prefixed output.

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Table of Contents

1. About
2. Quick Start
3. Usage
4. Development
5. Contributing
6. License

About

useRun (userun) is a Python CLI that runs multiple shell commands concurrently and keeps the output readable with prefixed lines (names and optional colors). It gives you:

• Parallel execution - Run multiple commands at the same time
• Named prefixes - Label output with names and optional colors
• Custom prefixes - Format prefixes with index, name, or label
• Failure handling - Optionally stop remaining commands on first failure
• Shell control - Choose the shell and ANSI color passthrough

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Quick Start

Install userun with uv (recommended)

uv add userun

Install with pip (alternative)

pip install userun

Run commands concurrently

userun concurrent -n server,lint,test "python3 -m http.server 8000" "uv run poe lint" "uv run poe test"

Each command runs in parallel and output is prefixed with its name.

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Usage

Run Commands Concurrently

userun concurrent "echo one" "echo two"

Named and Colored Prefixes

userun concurrent -n api,web -c blue,green "uv run api" "uv run web"

Custom Prefix Format

userun concurrent -p "[{label}]" "make build" "make test"

Stop Others on Failure

userun concurrent --kill-others "make build" "make test"

Shell Selection

userun concurrent --shell "bash -lc" "echo $SHELL" "echo hi"

Disable Prefixes or Colors

userun concurrent --no-prefix --no-color "make build" "make lint"
userun concurrent --no-subprocess-color "uv run pytest" "uv run ruff check ."

Available Commands

concurrent (conc)  Run multiple commands concurrently
help               Show help

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Development

Common tasks:

uv run poe clean-full
uv run poe test
uv run poe lint
uv run poe format

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Contributing

Quick workflow:

1. Fork and branch: git checkout -b feature/name
2. Make changes
3. Run checks: uv run poe clean-full
4. Commit and push
5. Open a Pull Request

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License

License information has not been added yet.

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