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path: root/cmd/btcheck/main.go
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package main

import (
	"fmt"
	"log"
	"os"

	"dim13.org/btget/meta"
)

func main() {
	if len(os.Args) != 2 {
		log.Fatal("usage: ", os.Args[0], " <torrent>")
	}
	tor, err := meta.New(os.Args[1])
	if err != nil {
		log.Fatal(err)
	}
	buf := make([]byte, tor.Info.PieceLength)
	pieces := tor.Info.GetPieces()
	for i, p := range pieces {
		n, err := tor.Info.ReadAt(buf, p.Offset)
		if err != nil {
			log.Fatal(err)
		}
		fmt.Println(i, p.Offset, n, p.Check(buf[:n]))
		pieces[i] = p
	}
	fmt.Println("good pieces:", pieces.Good())
	fmt.Println("bit field:", pieces.BitField())
}