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Pipe Rings – niplav

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author: niplav, created: 2019-04-24, modified: 2023-06-22, language: english, status: finished, importance: 4, confidence: possible

home niplav author: niplav, created: 2019-04-24, modified: 2023-06-22, language: english, status: finished, importance: 4, confidence: possible Pipelines are an integral part of the Unix operating system. They come in different variants ( FIFOs and anonymous pipes ) and have many applications. Here I show how to abuse simple text files and unnamed pipes to create cycles of data flow. Contents The Basic Idea Examples Fill Disk Stop Ring MU Crawl a Website Hashes of Hashes External Links Pipe Rings The Basic Idea A pipe ring has the following structure: $ echo init >a $ tail -f a | [filters] >>a

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