1package main
 2
 3import (
 4	"bufio"
 5	"fmt"
 6	"io/ioutil"
 7	"os"
 8	"strings"
 9)
10
11const rawFolderPath = "./originalFiles"
12const newFolderPath = "./newFiles"
13
14func check(err error) {
15	if err != nil {
16		fmt.Println(err)
17	}
18}
19
20func replaceFromTable(table map[string]string, originalContent string) string {
21	var newContent string
22	newContent = originalContent
23	for i := 0; i < len(table); i++ {
24		//first, get the map keys
25		var keys []string
26		for key, _ := range table {
27			keys = append(keys, key)
28		}
29		//now, replace the keys with the values
30		for i := 0; i < len(keys); i++ {
31			newContent = strings.Replace(newContent, keys[i], table[keys[i]], -1)
32		}
33	}
34	return newContent
35
36}
37func readConfigTable(path string) map[string]string {
38	table := make(map[string]string)
39	f, err := os.Open(path)
40	check(err)
41	scanner := bufio.NewScanner(f)
42	for scanner.Scan() {
43		currentLine := scanner.Text()
44		if currentLine != "" {
45			val1 := strings.Split(currentLine, " ")[0]
46			val2 := strings.Split(currentLine, " ")[1]
47			table[val1] = val2
48		}
49	}
50	return table
51}
52
53func readFile(folderPath string, filename string) string {
54	dat, err := ioutil.ReadFile(folderPath + "/" + filename)
55	check(err)
56	return string(dat)
57}
58
59func writeFile(path string, newContent string) {
60	err := ioutil.WriteFile(path, []byte(newContent), 0644)
61	check(err)
62}
63
64func parseDir(folderPath string, newDir string, table map[string]string) {
65	files, _ := ioutil.ReadDir(folderPath)
66	for _, f := range files {
67		fileNameSplitted := strings.Split(f.Name(), ".")
68		if len(fileNameSplitted) == 1 {
69			newDir := newDir + "/" + f.Name()
70			oldDir := rawFolderPath + "/" + f.Name()
71			if _, err := os.Stat(newDir); os.IsNotExist(err) {
72				_ = os.Mkdir(newDir, 0700)
73			}
74			parseDir(oldDir, newDir, table)
75		} else {
76			fileContent := readFile(folderPath, f.Name())
77			newContent := replaceFromTable(table, fileContent)
78			writeFile(newDir+"/"+f.Name(), newContent)
79			fmt.Println(newDir + "/" + f.Name())
80		}
81	}
82}
83
84func main() {
85	table := readConfigTable("replacerConfig.txt")
86	fmt.Println(table)
87	parseDir(rawFolderPath, newFolderPath, table)
88}