ppss ☆

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Description:
Shell script to execute commands in parallel

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: parallel-processing shell batch-processing automation cli

Install: brew install ppss

About:
PPSS (Parallel Processing Shell Script) is a command-line utility designed to execute shell commands in parallel, significantly speeding up batch processing tasks. It intelligently distributes jobs across available CPU cores, managing input and output for each process. This tool is ideal for reducing execution time on repetitive or resource-intensive operations.

Key Features:

Automatic distribution of jobs across available CPU cores
Supports reading arguments from standard input or files
Manages output to prevent interleaving from parallel processes
Simple command-line syntax similar to xargs

Use Cases:

Compressing or encrypting large batches of files simultaneously
Running data processing scripts on multiple inputs in parallel
Performing network scans or requests against a list of targets

Alternatives:

GNU Parallel – More feature-rich and complex; PPSS is a lightweight shell script alternative.
xargs -P – Standard tool for parallel execution, but PPSS offers easier output management.

Version History

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