POSIX Is Not a Shell

Software Development, Developer Tools & Environments(alganet.github.io)view on HackerNews

POSIXshell scriptingportabilitybashdashshell versionsvalidationtesting

Author: gaigalas

Date: 6/28/2026

Article Summary:

The article discusses the limitations of POSIX shell scripting due to differences in implementation across various shells, and proposes a more realistic approach to "portability" through testing and validation across multiple shells.