From 4d109a3fd5940ef27ed3e68fdebf0ccd3f234c28 Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Tue, 28 Sep 2021 13:39:19 +0200
Subject: mag: notes on doi-to-doi refs

---
 extra/mag/memkey.go | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 extra/mag/memkey.go

(limited to 'extra/mag/memkey.go')

diff --git a/extra/mag/memkey.go b/extra/mag/memkey.go
new file mode 100644
index 0000000..b2e4b42
--- /dev/null
+++ b/extra/mag/memkey.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	var (
+		cache = make(map[int]string)
+		br    = bufio.NewReader(os.Stdin)
+		i     int
+	)
+	for {
+		line, err := br.ReadString('\n')
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			log.Fatal(err)
+		}
+		fields := strings.Split(line, "\t")
+		if len(fields) < 2 {
+			continue
+		}
+		a, b := strings.TrimSpace(fields[0]), strings.TrimSpace(fields[1])
+		id, err := strconv.Atoi(a)
+		if err != nil {
+			log.Println("skipping invalid id: %s", line)
+			continue
+		}
+		cache[id] = b
+		i++
+		if i%1000000 == 0 {
+			log.Printf("%d", i)
+		}
+	}
+	log.Println("press enter to quit")
+	fmt.Scanln()
+}
-- 
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