a log lib can easy log and print stack

install

go get -u github.com/ningmingxiao/nlog@v0.0.1

example

package main

import (
	"github.com/ningmingxiao/nlog"
)

func main() {
	nlog.PrintStack()
	nlog.LogStack("/var/log/test.log")
	nlog.LogFile("/var/log/test.log", "hello")
}