Find value from one csv in another one (like vlookup) in bash (Linux)

Question

I have already tried all options that I found online to solve my issue but without good result.

Basically I have two csv files (pipe separated):

file1.

Answer 1

cut -d\| -f7 file1.csv|while read line
do 
  grep $line file1.csv|cut -d\| -f3
done