It is commonly asked how to get a Terminal prompt from a Finder window. I am asking the opposite.
I would like a command-line way of determining the working directory of the "current" Finder window.
MacOS Terminal – Finding Current Finder Folder
findermacosterminal
Related Solutions
Typing open . in Terminal will open the current working directory in a Finder window.
Enable show path in the view menu (not sure about the menu names but it should appear at the bottom of the finder window) then cmd + double click the folder you want to open, in this case, the last folder is your current folder.
I made an image but can't post it :\
Edit: Image example 
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Best Answer
The following command will return the path to the frontmost Finder window, if that's what you're looking for:
Note that this cannot return a POSIX path if the frontmost window has no POSIX path. So if the frontmost Finder window has an ongoing/finished search, is a smart folder or other magical location (like your Mac under devices, which lists all the mounted volumes and the network).
Search/Smart folder/No Finder window returns:
And trying to execute the command when viewing your Mac: