webp2png.go

package main

import (
	"fmt"
	"golang.org/x/image/webp"
	"image/png"
	"io/ioutil"
	"os"
	"path/filepath"
	"strings"
)

func bullshit(err error) {
	if err != nil {
		fmt.Println()
		fmt.Println("Bullshit!")

		panic(err)
	}
}

func convert(name string) {
	in, err := os.Open(name + ".webp")
	bullshit(err)
	defer in.Close()

	img, err := webp.Decode(in)
	bullshit(err)

	out, err := os.Create(name + ".png")
	bullshit(err)
	defer out.Close()

	err = png.Encode(out, img)
	bullshit(err)
}

func main() {
	ex, err := os.Executable()
	bullshit(err)

	wd := filepath.Dir(ex)
	fmt.Println("Directory:", wd)

	err = os.Chdir(wd)
	bullshit(err)

	files, err := ioutil.ReadDir(".")
	bullshit(err)

	for _, file := range files {
		name := file.Name()
		ext := filepath.Ext(name)

		if ext != ".webp" {
			fmt.Println("Not a webp:", name)
			continue
		}

		convert(strings.TrimSuffix(name, ext))
		fmt.Println("Converted:", name)
	}

	fmt.Print("Done. Press any key to continue...")
	var fuckGo string
	fmt.Scanln(&fuckGo)
}