checkPipeExecError checks for error in the pipe irrespective of what the command is the function returns the actual error message

checkPipeExecError.go

package main

import (
  "fmt"
  "github.com/bitfield/script"
  "strings"
)

func main() {
  fmt.Println("Hello World")
  commands := []string{"dateee", "man bogus"}
  for _, command := range commands {
  p := script.Exec(command)
  if errString := checkError(p); errString != "" {
    fmt.Println(strings.TrimSpace(errString))
  }
}
}

func checkError(p *script.Pipe) string {
    if p.Error() != nil {
      var outputError string
      outputError = p.Error().Error()
      if strings.Contains(outputError, "exit status") {
        p.SetError(nil)
        outputError, _ = p.String()
    }
    return outputError
  }
  return ""
}