Yes I just fixed it thanks to @Zesko earlier here Inxi -Fxxx Strange Locale Settings - #29 by Zesko
Then tried again
pdfgrep -r 'economic' /home/limo/Koofr/
It worked! But it kept “spitting” and scrolling 100s of lines from 100s of files
I don’t know how can this be practical for my use case! With all my due respect. I am just discussing and trying to learn more.
Hopefully I can do without indexing as it is doing with .txt and html.