Add case to handle logout, login, other messages.

mark

@@ -4,6 +4,7 @@ source ~/.markrc
 today=$(date +%Y-%m-%d\ %H:%M:%S)
 file_path=$base_path/$(date +%Y-%m).txt
 login_message=$username $today $login_message
+logout_message=$username $today $logout_message
 
 # Login if it is the first message of the day
 if [[ -f $file_path ]]; then
@@ -15,3 +16,18 @@ if [[ -f $file_path ]]; then
 else
     echo $login_message >> $file_path
 fi
+
+case "$*" in
+  "" )
+    echo "Include command"
+    ;;
+  login )
+    exit
+    ;;
+  logout )
+    echo $logout_message >> $file_path
+    exit
+    ;;
+  * )
+    message=$(echo $* | sed "s/^/$username $today /")
+    echo $message >> $file_path