-config <(cat /etc/ssl/openssl.cnf \
<(echo "[SAN]"; echo -n "subjectAltName="; unset COMMA; \
for domain in "$@"; do test -n "$COMMA" && echo -n ","; echo -n "DNS:$domain"; COMMA=1; done; echo) \
-config <(cat /etc/ssl/openssl.cnf \
<(echo "[SAN]"; echo -n "subjectAltName="; unset COMMA; \
for domain in "$@"; do test -n "$COMMA" && echo -n ","; echo -n "DNS:$domain"; COMMA=1; done; echo) \