initial, fertige Loesung

dict.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"net/http"
+	"os"
+	"strings"
+)
+
+const (
+	BASE = "dict.cc/?s="
+	VAR1 = "var c1Arr = new Array("
+	VAR2 = "var c2Arr = new Array("
+	SUFF = ");"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		println("usage:", os.Args[0], "word [{de|es|fr|en...}{de|es|fr|en|...}]")
+		return
+	}
+
+	fromto := ""
+	if len(os.Args) > 2 {
+		fromto = os.Args[2] + "."
+	}
+
+	r, err := http.Get("http://" + fromto + BASE + os.Args[1])
+	if err != nil {
+		println("error:", err.Error())
+		return
+	}
+	defer r.Body.Close()
+
+	byline := bufio.NewScanner(r.Body)
+
+	var left, right []string
+
+	for byline.Scan() {
+		line := byline.Text()
+		if strings.HasPrefix(line, VAR1) {
+			line = strings.TrimPrefix(line, VAR1)
+			line = strings.TrimSuffix(line, SUFF)
+			left = strings.Split(line, ",")
+		} else if strings.HasPrefix(line, VAR2) {
+			line = strings.TrimPrefix(line, VAR2)
+			line = strings.TrimSuffix(line, SUFF)
+			right = strings.Split(line, ",")
+			break
+		}
+	}
+
+	if len(left) != len(right) {
+		println("error: arrays of different length")
+		return
+	}
+
+	for i, _ := range left {
+		a := strings.Trim(right[i], `"`)
+		b := strings.Trim(left[i], `"`)
+		if a == "" {
+			continue
+		}
+		fmt.Printf("%25s → %s\n", a, b)
+	}
+}