router7/internal/teelogger/teelogger.go
Michael Stapelberg 9facb2c230 add teelogger
2018-06-01 22:17:19 +02:00

21 lines
478 B
Go

// Package teelogger provides loggers which send their output to multiple
// writers, like the tee(1) command.
package teelogger
import (
"io"
"io/ioutil"
"log"
"os"
)
// NewConsole returns a logger which returns to /dev/console and os.Stderr.
func NewConsole() *log.Logger {
var w io.Writer
w, err := os.OpenFile("/dev/console", os.O_RDWR, 0600)
if err != nil {
w = ioutil.Discard
}
return log.New(io.MultiWriter(os.Stderr, w), "", log.LstdFlags|log.Lshortfile)
}