To find number of occurrences of a word taken as input from command line in unix

Question

For the file file1.txt which contains

Apple fruit Apple tree
Tree AApple AApklle Apple apple
TREE
Apple

I want to find number of o

Answer 1

You can change the grep line to:

grep -o '\<'"$TOFIND"'\>' "$FILE" | wc -l

or just:

grep -o "\<$TOFIND\>" "$FILE" | wc -l

Then it will work. It's because the quotes, your double quotes was quoted inside single quotes, so they are not expanded.