package utils

import (
	"bufio"
	"os"
	"strings"
)

var rd *bufio.Reader

// ReadLine reads a line from stdin and strips newline from the end
func ReadLine() string {
	if rd == nil {
		rd = bufio.NewReader(os.Stdin)
	}

	str, err := rd.ReadString('\n')
	PanicOnError(err)

	return strings.TrimRight(str, "\r\n")
}