Add the correct path for grep exercises.

Author: Fithi-Teklom

individual-shell-tools/grep/script-03.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the number of lines in dialogue.txt that contain the word Doctor (regardless of case).
 # The output should be exactly the number 9.
 
-grep -i individual-shell-tools/grep/"Doctor" dialogue.txt | wc -l
+grep -i "Doctor" individual-shell-tools/grep/dialogue.txt | wc -l

individual-shell-tools/grep/script-04.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output every line in dialogue.txt that does not contain the word "Hello" (regardless of case).
 # The output should contain 10 lines.
 
-grep -iv individual-shell-tools/grep/"Hello" dialogue.txt
+grep -iv "Hello" individual-shell-tools/grep/dialogue.txt

individual-shell-tools/grep/script-06.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the name of every `.txt` file in this directory which contains a line of dialogue said by the Doctor.
 # The output should contain two filenames.
 
-grep -l individual-shell-tools/grep/"Doctor" *.txt
+grep -l "Doctor" individual-shell-tools/grep/*.txt

individual-shell-tools/grep/script-07.sh

@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output, for each `.txt` file in this directory, how many lines of dialogue the Doctor has.
 # The output should show that dialogue.txt contains 6 lines, dialogue-2.txt contains 2, and dialogue-3.txt contains 0.
 
-grep -c individual-shell-tools/grep/"Doctor" *.txt
+grep -c "^Doctor:" individual-shell-tools/grep/*.txt