Complete grep script-02: case insensitive search

Author: SlimMicheals

individual-shell-tools/grep/script-02.sh

@@ -3,4 +3,5 @@
 set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case).
+grep -i "doctor" dialogue.txt
 # The output should contain 9 lines.