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"command -v" in Dash (the Debian shell) has a serious bug that makes it non-POSIX compliant: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874264


To be honest it's kind of weird to have things in your PATH that are not meant to be executed, so I'm not sure I agree about it being that important and it doesn't seem to have gotten any attention since 2017 despite a patch being available, but I take your point that this should not happen and is of course noncompliant.




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