added error handling, map transformation functions for conviniese

lib/lib.go

@@ -0,0 +1,56 @@
+package lib
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func Handle_err(err error, args map[string]string) {
+	if err != nil {
+		if args["msg"] != "" {
+			fmt.Println(args["msg"], " due to error <", err, ">")
+		} else {
+			fmt.Println(err)
+		}
+
+		if args["die"] != "" {
+			code, err := strconv.Atoi(args["die"])
+			if err != nil {
+				fmt.Println(err)
+			} else {
+				os.Exit(code)
+			}
+
+		}
+	}
+}
+
+func Map_string(array string) map[string]string {
+	var result map[string]string
+	json.Unmarshal([]byte(array), &result)
+
+	return result
+}
+
+func Map_interface(array string) map[string]interface{} {
+	var result map[string]interface{}
+	json.Unmarshal([]byte(array), &result)
+
+	return result
+}
+
+func Map_args(array ...string) map[string]string {
+	if len(array) < 1 {
+		return map[string]string{}
+	}
+
+	result := make(map[string]string)
+
+	for i := 0; i < len(array); i += 2 {
+		result[array[i]] = array[i+1]
+	}
+
+	return result
+}