commands/remove-key.rb in hubbard-0.0.16 vs commands/remove-key.rb in hubbard-0.0.18

@@ -1,21 +1,18 @@
 name = next_arg("Please specify the key name")
 if name !~ Hubbard::KEY_NAME_REGEX
-  $stderr.puts "Not a valid key name (letters and numbers only)"
-  exit 1
+  error 1, "Not a valid key name (letters and numbers only)"
 end
 
 dirname = File.join(find_account_dir(@username), "keys")
 FileUtils.mkdir_p(dirname)
 
 filename = File.join(dirname, name)
 if !File.exist?(filename)
-  $stderr.puts "Key not found"
-  exit 1
+  error 1, "Key not found"
 end
 
 unless FileUtils.rm(filename)
-  $stderr.puts "Unable to delete key"
-  exit 1
+  error 1, "Unable to delete key"
 end
 
 sync_keys