On Mon, Aug 09, 2021 at 05:35:56PM -0400, Franklin, Jason wrote: > Should bash, invoked with "--posix" or as "sh", omit the special > treatment of variables such as GROUPS?
I would say no. Using all-caps variable names is a bad idea for precisely this reason -- you never know when it'll be something special, in your shell or in your operating system. Always use at least one lower-case letter in each variable name, unless you're actually exporting something as an environment variable, and you know that the name is not used by anything else in your working environment.
