> In the shell script, i have a
>   pkg_info -qLx "^$PKG-[0-9,._]+$"
> also tried (-X)tended regex instead of the standard rege(-x).
>
> sh keeps erroring out saying various $" isn't a valid variable
> name ...

Both sh and csh will try to treat $ inside of "" as a variable
reference.  Does it work any better if you enclose the $ in ''
instead?

If you need the first $ to be a variable reference and the second
to be used literally, you may need to do something like

  "^$PKG-[0-9,._]+"'$'
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