Simon Willison’s Weblog

A Unix Utility You Should Know About: Pipe Viewer. Useful command line utility that adds a progress bar to any unix pipeline.

Posted 9th February 2009 at 10:15 pm

Recent articles

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

cli 108 pipes 7 pipeviewer 1 unix 17

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