/
main.go
68 lines (48 loc) · 1.17 KB
/
main.go
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package goenv
import (
"os"
"bufio"
"strings"
"errors"
)
func AutoLoad() error{
file, err := os.Open(".env")
if err != nil {
err = errors.New("error when open .env")
return err
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
key, value, err := parseLine(scanner.Text())
if err == nil{
if os.Getenv(key) == "" {
os.Setenv(key, value)
}
}else{
return err
}
}
return err
}
func parseLine(line string) (key string, value string, err error) {
if len(line) == 0 {
err = errors.New("zero length string")
return
}
splitString := strings.SplitN(line, "=", 2)
if len(splitString) != 2 {
err = errors.New("Can't separate key from value")
return
}
key = splitString[0]
key = strings.Trim(key, " ")
value = splitString[1]
value = strings.Trim(value, " ")
if strings.Count(value, "\"") == 2 || strings.Count(value, "'") == 2 {
value = strings.Trim(value, "\"'")
value = strings.Replace(value, "\\\"", "\"", -1)
value = strings.Replace(value, "\\n", "\n", -1)
}
return
}