SC2169 – ShellCheck Wiki

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In dash, something is not supported.

You are writing a script for dash, but you're using a feature that dash doesn't support. See SC2039, the equivalent warning for POSIX sh, for possible workarounds.

See also Ubuntu's DashAsBinSh migration guide for how to make bash-specific scripts dash-compatible.


ShellCheck is a static analysis tool for shell scripts. This page is part of its documentation.