Complete grep script-06: list files containing Doctor dialogue

Author: SlimMicheals

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

@@ -3,4 +3,5 @@
 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.
+grep -l "^Doctor:" *.txt
 # The output should contain two filenames.