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I want to find the average score of students grde that I have in 2 different files. I want my script to read the each line in each file, print the average. Once it's done print the average in one...

I have this code to check the largest files by bytes. Whenever I run it, I keep getting an error message "unary operator expected"


for i in *
do
if
set -- $(ls -ls "$i")

alias...