Crop and Resize a Directory with Images with Golang (Go)

main.go

package main

import (
	"fmt"
	"log"
	"path/filepath"

	"github.com/disintegration/imaging"
)

func main() {
	const inputPath = "public/product_images/"
	const outputPath = "public/product_images/outputs"

	files, err := filepath.Glob(inputPath + "/*.png")
	if err != nil {
		panic(err)
	}
	for _, file := range files {
		fDir := filepath.Dir(file)
		fBase := filepath.Base(file)
		fOutput := filepath.Join(fDir, "outputs", fBase)
		fmt.Printf("\033[1;37m=====PROCESSING=====\033[0m\nDir: %s\nBasename: %s\nFile: %s\nOutput: %s\n", fDir, fBase, file, fOutput)
		// processing starts here
		src, err := imaging.Open(file)
		if err != nil {
			log.Printf("\033[1;31mOpen failed: %v\033[0m\n", err)
			continue
		}

		dst := imaging.Fill(src, 512, 512, imaging.Center, imaging.Lanczos)

		err = imaging.Save(dst, fOutput)
		if err != nil {
			log.Printf("\033[1;31mSave failed: %v\033[0m\n", err)
			continue
		}

		fmt.Printf("\033[1;32mSuccess!\033[0m\n")

		// processing ends here
		fmt.Println("\n")
	}
}