robocar-led/vendor/github.com/cyrilix/robocar-base/cli/cli.go

31 lines
561 B
Go

package cli
import (
"log"
"os"
"strconv"
)
func SetDefaultValueFromEnv(value *string, key string, defaultValue string) {
if os.Getenv(key) != "" {
*value = os.Getenv(key)
} else {
*value = defaultValue
}
}
func SetIntDefaultValueFromEnv(value *int, key string, defaultValue int) error {
var sVal string
if os.Getenv(key) != "" {
sVal = os.Getenv(key)
val, err := strconv.Atoi(sVal)
if err != nil {
log.Printf("unable to convert string to int: %v", err)
return err
}
*value = val
} else {
*value = defaultValue
}
return nil
}