remove_key_from_keyring() {
local GPG="$GPG_CMD --keyring $1"
# check if the key is in this keyring: the key id is in the 5 column at the end
remove_key_from_keyring() {
local GPG="$GPG_CMD --keyring $1"
# check if the key is in this keyring: the key id is in the 5 column at the end