Simple program to dump TIFF metadata

tiff-dump.go

package main

// To run, first install github.com/google/tiff with:
// go get github.com/google/tiff
// Then run like `go run tiff-dump.go example.tif`

import (
    "fmt"
    "github.com/google/tiff"
    "os"
)

func main() {

    tiffFile := os.Args[1]
    r, err := os.Open(tiffFile)
    if err != nil {
        panic(err)
    }

    tiff.SetTiffFieldPrintFullFieldValue(true)

    t, err := tiff.Parse(r, nil, nil)
    if err != nil {
        panic(err)
    }

    fmt.Printf("Version: %d\n", t.Version())
    fmt.Printf("Byte Order: %s\n\n", EndianString(t.Order()))

    for i, ifd := range t.IFDs() {
        fmt.Printf("IFD %d:\n", i)
        for _, f := range ifd.Fields() {
            fmt.Printf("%s\n", f)
        }
    }
}

func EndianString(magicEndian string) string {
    if magicEndian == tiff.MagicBigEndian {
        return "big endian"
    } else {
        return "little endian"
    }
}