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path: root/skate/cmd/skate-biblioref-from-wikipedia/main.go
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package main

import (
	"flag"
	"fmt"
	"log"
	"os"
	"runtime"
	"strings"

	"git.archive.org/martin/cgraph/skate"
	"git.archive.org/martin/cgraph/skate/parallel"
	jsoniter "github.com/json-iterator/go"
)

var (
	numWorkers   = flag.Int("w", runtime.NumCPU(), "number of workers")
	batchSize    = flag.Int("b", 100000, "batch size")
	json         = jsoniter.ConfigCompatibleWithStandardLibrary
	bytesNewline = []byte("\n")
)

func main() {
	flag.Parse()
	pp := parallel.NewProcessor(os.Stdin, os.Stdout, func(p []byte) ([]byte, error) {
		var w skate.MinimalCitations
		if err := json.Unmarshal(p, &w); err != nil {
			return nil, err
		}
		idl := w.ParseIDList()
		if idl.DOI == "" {
			return nil, nil
		}
		s := fmt.Sprintf("%s\t%s\t%s", strings.TrimSpace(w.PageTitle), idl.DOI, string(p))
		return []byte(s), nil

	})
	pp.NumWorkers = *numWorkers
	pp.BatchSize = *batchSize
	if err := pp.Run(); err != nil {
		log.Fatal(err)
	}
}