Determine if Stdin has data with Go

Question

Is there a way to check if the input stream (os.Stdin) has data?

The post Read from initial stdin in GO? shows how to read the data, but unfortunately b

Answer 1

This seems to be reliable solution and works even with sleep/delayed data via pipe. https://coderwall.com/p/zyxyeg/golang-having-fun-with-os-stdin-and-shell-pipes

package main

import (
  "os"
  "fmt"
)

func main() {
  fi, err := os.Stdin.Stat()
  if err != nil {
    panic(err)
  }
  if fi.Mode() & os.ModeNamedPipe == 0 {
    fmt.Println("no pipe :(")
  } else {
    fmt.Println("hi pipe!")
  }
}