stderr

Node.js

  1. process.stderr.write('hello error\n')

Output

  1. hello error

Go

  1. package main
  3. import (
  4.     "fmt"
  5.     "os"
  6. )
  8. func main() {
  9.     fmt.Fprint(os.Stderr, "hello error\n")
  10. }

Output

  1. hello error