raven.go: add arg length check to twt command

config.go

@@ -1,4 +1,4 @@
-package  main
+package main
 
 import (
 	"fmt"
@@ -138,7 +138,7 @@ func parseConfig(configFile string) *Config {
 	f, err := os.ReadFile(configFile)
 	cfg := &Config{}
 	if err != nil {
-	   fmt.Println(err.Error())
+		fmt.Println(err.Error())
 		return cfg
 	}
 

feed.go

@@ -80,13 +80,13 @@ func buildFeed(feed *Feed, nick, data string, max int64) error {
 	lines := strings.Split(data, "\n")
 
 	for i, l := range lines {
-	   if int64(i) > max {
-	     return nil
-	   }
+		if int64(i) > max {
+			return nil
+		}
 		parts := strings.Split(l, "\t")
 		t, err := time.Parse(time.RFC3339, parts[0])
 		if err != nil {
-		  continue
+			continue
 		}
 		*feed = append(*feed, FeedEntry{
 			Nick:      nick,
@@ -134,7 +134,7 @@ func GetFeed(friend, friendsFile string, max int64) error {
 				return err
 			}
 			if len(friend) > 0 {
-			 break
+				break
 			}
 		}
 	}

raven.go

@@ -28,7 +28,12 @@ func run(args []string) error {
 	} else {
 		switch args[1] {
 		case "twt":
-			return Post(args[2], cfg.FeedFile, cfg.FeedAscend)
+			if len(args) > 2 {
+				return Post(args[2], cfg.FeedFile, cfg.FeedAscend)
+			} else {
+				helpMe(args[0])
+				return errors.New("ARG is required with the twt command")
+			}
 		case "feed":
 			if len(args) > 2 {
 				return GetFeed(args[2], cfg.FriendsFile, cfg.MaxPosts)

types.go

@@ -5,11 +5,11 @@ import (
 )
 
 type Config struct {
-	FeedFile         string
-	FeedAscend       bool
-	FriendsFile      string
-	MaxPosts int64
-	Nick             string
+	FeedFile    string
+	FeedAscend  bool
+	FriendsFile string
+	MaxPosts    int64
+	Nick        string
 }
 
 type FeedEntry struct {