Add streaming to multibase-conv

multibase-conv/main.go

@@ -8,25 +8,27 @@ import (
 )
 
 func main() {
-	if len(os.Args) != 3 {
-		fmt.Printf("usage: %s CID NEW-BASE\n", os.Args[0])
+	if len(os.Args) < 3 {
+		fmt.Printf("usage: %s NEW-BASE CID...\n", os.Args[0])
 		os.Exit(1)
 	}
 
-	cid := os.Args[1]
-	newBase := os.Args[2]
+	newBase := os.Args[1]
+	cids := os.Args[2:]
 
-	_, data, err := multibase.Decode(cid)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%v\n", err)
-		os.Exit(1)
+	for _, cid := range cids {
+		_, data, err := multibase.Decode(cid)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			os.Exit(1)
+		}
+
+		newCid, err := multibase.Encode(multibase.Encoding(newBase[0]), data)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			os.Exit(1)
+		}
+		fmt.Println(newCid)
 	}
 
-	newCid, err := multibase.Encode(multibase.Encoding(newBase[0]), data)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%v\n", err)
-		os.Exit(1)
-	}
-
-	fmt.Printf("%s\n", newCid)
 }