Read TF comment

main.go

func readLines(path string) ([]string, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	var lines []string
	scanner := bufio.NewScanner(file)
	comment := false
	for scanner.Scan() {
		// skip empty lines
		if len(scanner.Text()) < 2 {
			continue
		}
		// end of command/comment
		if scanner.Text()[:2] == "*/"[:2] {
			comment = false
			continue
		}
		if comment {
			for _, word := range strings.Fields(scanner.Text()) {
				if word != "\\" {
					lines = append(lines, word)
				}
			}
			continue
		}
		// lets read everything what started from `tf plan...`
		if len(scanner.Text()) < 7 {
			continue
		}
		if scanner.Text()[:7] == "tf plan"[:7] {
			for _, word := range strings.Fields(scanner.Text()) {
				if word != "\\" {
					lines = append(lines, word)
				}
			}
			comment = true
			continue
		}
	}
	return lines, scanner.Err()
}