# Grep the file and get list of matches:
LogParser.grep_file("/source/path", "search_word") # => {:ok, ["1st string with search_word\n", "2nd string with search_word\n", "3d string with search_word\n"]}

# Grep whole folder and get list of matches:
LogParser.grep_whole_folder("/source/path", "search_word") # => {:ok, ["1st string with search_word\n", "2nd string with search_word\n", "3d string with search_word\n"]}

# Grep to file:
LogParser.grep_file_to_file("/source/path", "search_word", "/destination/path") # => {:ok, ["1st string with search_word\n", "2nd string with search_word\n", "3d string with search_word\n"]}