38 lines
666 B
Go
38 lines
666 B
Go
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// Copyright 2015, David Howden
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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/*
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The hash tool constructs a hash of a media file exluding any metadata
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(as recognised by the tag library).
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*/
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package main
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import (
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"fmt"
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"os"
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"github.com/dhowden/tag"
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)
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func main() {
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if len(os.Args) != 2 {
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fmt.Printf("usage: %v filename\n", os.Args[0])
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return
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}
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f, err := os.Open(os.Args[1])
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if err != nil {
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fmt.Printf("error loading file: %v", err)
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os.Exit(1)
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}
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defer f.Close()
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h, err := tag.Hash(f)
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if err != nil {
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fmt.Printf("error constructing hash: %v\n", err)
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os.Exit(1)
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}
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fmt.Println(h)
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}
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