/
env.go
36 lines (31 loc) · 866 Bytes
/
env.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
package util
import (
"bufio"
"os"
"strings"
)
// ReadEnvironmentFile reads the content for a file that contains a list of
// environment variables and values. The key-pairs are separated by a new line
// character. The file can also have comments (both '#' and '//' are supported).
func ReadEnvironmentFile(path string) (map[string]string, error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
result := map[string]string{}
scanner := bufio.NewScanner(f)
for scanner.Scan() {
s := strings.TrimSpace(scanner.Text())
// Allow for comments in environment file
if strings.HasPrefix(s, "#") || strings.HasPrefix(s, "//") {
continue
}
parts := strings.SplitN(s, "=", 2)
if len(parts) != 2 {
continue
}
result[strings.TrimSpace(parts[0])] = strings.TrimSpace(parts[1])
}
return result, scanner.Err()
}