github.com/direnv/go-lpenv@v0.0.0-20201224120758-54c33c5ae6e4/getenv_windows.go (about) 1 package lpenv 2 3 import "strings" 4 5 // Getenv looks for the key in the given environment variables 6 // 7 // The Windows implementation is case-insensitive. 8 func Getenv(env []string, key string) string { 9 if len(key) == 0 { 10 return "" 11 } 12 13 prefix := strings.ToLower(key + "=") 14 for _, pair := range env { 15 if len(pair) > len(prefix) && prefix == strings.ToLower(pair[:len(prefix)]) { 16 return pair[len(prefix):] 17 } 18 } 19 return "" 20 }