package file

import (
	"bufio"
	"os"
	"strings"
)

// Read a file
func Read(path string) ([]string, error) {
	// Store lines
	var lines []string

	// Open file
	file, err := os.Open(path)
	if err != nil {
		return lines, err
	}
	defer file.Close()

	// Create scanner
	scanner := bufio.NewScanner(file)

	// Go through scanner
	for scanner.Scan() {
		// Store line
		line := scanner.Text()

		// Ignore empty & commented lines
		if line != "" && !strings.HasPrefix(line, "#") {
			lines = append(lines, strings.ToLower(line))
		}
	}

	return lines, nil
}