fix bug for no example in API, added version cmd

cmd/random.go

@@ -67,7 +67,7 @@ var randomCmd = &cobra.Command{
 			Label:    "{{ . }}",
 			Active:   "\u279C {{ .Word | yellow }}",
 			Inactive: "{{ .Word | yellow }}",
-			Selected: "Thanks for using gowords!",
+			Selected: " ",
 			Details:  "\n{{ .Content }}",
 		}
 

cmd/search.go

@@ -92,11 +92,13 @@ func searchInDict(word string) {
 						//fmt.Printf("%s\n\n", defs[key].([]interface{})[0].(map[string]interface{})["definition"])
 						for _, j := range defs[key].([]interface{}) {
 							defTemp := j.(map[string]interface{})["definition"]
-							example := j.(map[string]interface{})["example"]
+							example, exampleExists := j.(map[string]interface{})["example"]
 							fmt.Printf("%s\u279C%s%s%s\n", colors.Blue, " ", colors.Reset, defTemp)
-							fmt.Printf("%s\u2605%s%s%s\n", colors.Yellow, " ", colors.Reset, example)
 							cacheSave[pos] = append(cacheSave[pos], defTemp)
-							cacheSave[pos] = append(cacheSave[pos], "68f3fde1-8c1a-49eb-9f27-8d951b049142"+example.(string))
+							if exampleExists {
+								fmt.Printf("%s\u2605%s%s%s\n", colors.Yellow, " ", colors.Reset, example)
+								cacheSave[pos] = append(cacheSave[pos], "68f3fde1-8c1a-49eb-9f27-8d951b049142"+example.(string))
+							}
 						}
 						fmt.Println()
 					}

cmd/version.go

@@ -0,0 +1,37 @@
+/*
+Copyright © 2021 Parth S <[email protected]>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package cmd
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/spf13/cobra"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Get the version of gowords",
+	Run: func(cmd *cobra.Command, args []string) {
+		os := runtime.GOOS
+		arch := runtime.GOARCH
+		fmt.Printf("v0.0.6 %s/%s\n", os, arch)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}