basic test of pure cmd line app

main.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+var modbusreadCmd = &cobra.Command{
+	Use:   "modbusread",
+	Short: "Reads data from a modbus device using TCP/IP or UDP",
+	Long: `Reads data from a modbus device using TCP or UDP.
+
+	It expects following arguments:
+
+	modbusread <host-or-ip> <unitid> <startreg> [<endreg>]
+	`,
+	Args: cobra.ExactArgs(1),
+	Run:  run,
+}
+
+func run(cmd *cobra.Command, args []string) {
+	// Get managed repos from environment variables
+	// root := os.Getenv("MG_ROOT")
+	/* if root[len(root)-1] != '/' {
+		root += "/"
+	} */
+	fmt.Println(args)
+}
+
+func main() {
+	argsWithProg := os.Args
+	argsWithoutProg := os.Args[1:]
+
+	arg := os.Args[3]
+
+	fmt.Println(argsWithProg)
+	fmt.Println(argsWithoutProg)
+	fmt.Println(arg)
+}