Julia Evans • 3/7/2025

Standards for ANSI escape codes

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This article investigates the world of ANSI escape codes, the sequences that control terminal features like colors and cursor movement. It explains what they are, discusses the lack of complete standardization (citing ECMA-48 and xterm), and explores the resulting reliability problems and troubleshooting difficulties. The author aims to compile existing standards to understand if a more reliable future for these codes is possible.

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#terminal #ansi escape codes #ecma-48
Standards for ANSI escape codes

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