gpg-options

--quiet				Try to be as quiet as possible.
--batch				Never ask, do not allow interactive commands. gpg might still need to read from STDIN.
--no-tty			TTY (terminal) is never used for any output.
--fixed-list-mode		Do not merge primary user ID and primary key in --with-colon listing mode
--no-permission-warning		Suppress the warning about unsafe file and home directory (--homedir) permissions.
--fingerprint
--keyid-format long
--yes				Assume "yes" on most questions.
--primary-keyring		Use as primary public keyring. Imported keys (via --import or keyserver --recv-from) will go to this keyring.
--options file			Read options from file and do not try to read them from the default options file
--trusted-key longID		Assume that the specified key is as trustworthy as one of your own secret keys.
--no-greeting			Suppress the initial copyright message.
--passphrase-fd			Read passphrase from fd. One line only. Can only be used if only one passphrase is supplied. This passphrase only used if --batch
--with-key-data			Print key listings delimited by colons and print the public key data.