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

With GNU awk for multi-char RS:

$ awk -v RS='\\' 'END{print (NR ? NR-1 : 0)}' file
4

or with a shell variable:

$ tofind='Apple'
$ awk -v RS='\\<'"$tofind"'\\>' 'END{print (NR ? NR-1 : 0)}' file
4