I've made this script a year ago and I have been asked by people to post my final script so they can use it.
This is nothing fancy, but just thought of sharing it with the community
Script purpose and explanation:
Search for a word / sentence* inside .txt and .log files (you may add more extensions)
Search in sub-directories - Will search in main folder + all of the folders in the main folders if checked.
Save a new log with the paths of the files containing the word / sentenc