Check mimetype of images

mime.go

// Usage:
//   $ go run mime.go
//   foo.png -> image/png
//   bar.jpg -> image/jpeg
//   baz.gif -> image/gif
//   foo.bmp -> image/bmp
//
// Description:
//   Check mimetype of images
//
package main

import (
        "fmt"
        "mime"
        "path/filepath"
)

func main() {
        images := []string{"foo.png", "bar.jpg", "baz.gif", "foo.bmp"}

        for _, f := range images {
                mt := mime.TypeByExtension(filepath.Ext(f))
                fmt.Printf("%s -> %s\n", f, mt)
        }
}