package main

import (
	"fmt"
	"os"
	p "path"
	"strings"
)

func usage() {
	fmt.Printf("usage: %v path [suffix]\n", os.Args[0])
	os.Exit(1)
}

func basename(path, suffix string) string {
	result := p.Base(path)
	if suffix == "" {
		return result
	}
	return strings.SplitN(result, suffix, 2)[0]
}

func main() {
	if len(os.Args) == 1 || len(os.Args) > 3 {
		usage()
	}

	path := os.Args[1]
	suffix := ""
	if len(os.Args) == 3 {
		suffix = os.Args[2]
	}

	fmt.Println(basename(path, suffix))
}