go read text file into string array

 1 package main
 2 
 3 import (
 4 "bufio"
 5 "fmt"
 6 "log"
 7 "os"
 8 )
 9 
10 // readLines reads a whole file into memory
11 // and returns a slice of its lines.
12 func readLines(path string) ([]string, error) {
13 file, err := os.Open(path)
14 if err != nil {
15 return nil, err
16  }
17  defer file.Close()
18 
19 var lines []string
20 scanner := bufio.NewScanner(file)
21 for scanner.Scan() {
22 lines = append(lines, scanner.Text())
23  }
24 return lines, scanner.Err()
25 }
26 
27 // writeLines writes the lines to the given file.
28 func writeLines(lines []string, path string) error {
29 file, err := os.Create(path)
30 if err != nil {
31 return err
32  }
33  defer file.Close()
34 
35 w := bufio.NewWriter(file)
36 for _, line := range lines {
37  fmt.Fprintln(w, line)
38  }
39 
40 }

1 content, err := ioutil.ReadFile(filename)
2 if err != nil {
3 //Do something
4 }
5 lines := strings.Split(string(content), "\n")

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