init

echov2/echo.go

@@ -0,0 +1,19 @@
+// Echov2 prints its command-line arguments.
+package main
+
+import (
+	"fmt"
+	"os"
+)
+
+func main() {
+	s, sep := "", ""
+	for _, arg := range os.Args[1:] {
+		s += sep + arg
+		sep = " "
+	}
+	fmt.Println(s)
+	for i, v := range os.Args[1:] {
+		println(i,v)
+	}
+}