add exceptions parse for OptionParser

src/passw0rd_manager.cr

@@ -23,6 +23,7 @@ end
 
 VERSION = "0.1.0"
 
+begin
   OptionParser.parse do |parser|
     parser.banner = "Welcome to The Beatles App!"
 
@@ -35,16 +36,19 @@ OptionParser.parse do |parser|
       exit
     end
     parser.on "-g", "--generate-password", "Generate password" do
-    puts Random::Secure.urlsafe_base64(16, padding: false).to_s.colorize(:black).back(:white)
-    puts Random::Secure.urlsafe_base64(16, padding: false).to_s.colorize(:white).back(:red)
-    puts Random::Secure.urlsafe_base64(16, padding: false).to_s.colorize(:white).back(:blue)
+      puts Random::Secure.urlsafe_base64(16, padding: false).colorize(:black).back(:white)
+      puts Random::Secure.urlsafe_base64(16, padding: false).colorize(:white).back(:red)
+      puts Random::Secure.urlsafe_base64(16, padding: false).colorize(:white).back(:blue)
       exit
     end
     parser.on "-t", "--unixtime", "Return local timestamp" do
-    puts Time.local.to_unix
+      puts Time.local.to_unix.colorize(:yellow)
       exit
     end
   end
+rescue ex
+  puts ex.message, ""
+end
 
 if !File.exists?("pwd.yml")
   puts "No password.yml file exists."
@@ -69,13 +73,13 @@ while true
 
   if password_string.to_s == ":q"
     puts "Bye! 👋🏻"
-
-    exit(0)
+    exit
   elsif password_string.to_s == ":h"
     puts "Help:\n-----"
-    puts "\t:s - Return stats"
+    puts ":s - Return stats"
 
   elsif password_string.to_s == ":s"
+    puts "Statictics:\n----------"
     print "Elements: ".colorize(:yellow)
     puts new_array.size