The-Unix-Shell-Teaching-Notes

7.1 Using grep

Which command would result in the following output:

and the presence of absence:

1. grep "of" haiku.txt
2. grep -E "of" haiku.txt
3. grep -w "of" haiku.txt
4. grep -i "of" haiku.txt

Solution

The correct answer is 3, because the -w option looks only for whole-word matches. The other options will also match ‘of’ when part of another word.

Episode 7 Exercise 2