Problems getting Vim thesaurus plugin to work

Hi All,

I spent most of the day today, trying to get this to work:

https://www.vim.org/scripts/script.php?script_id=4588

I am using Vim 8 on a Macbook running OS X 10.14.6 Mojave. I installed all the pieces in the correct place, and when i do the control sequence (\k) is see it sending the command, the window opens, but nothing shows up. 

Is it possibly something with the thesaurus-lookup.sh script?

Is anyone running this, or had to correct anything to get this to work?

ANY help is greatly appreciated!!

Russ

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