$ ./ssl-cert-check Usage: ./ssl-cert-check [ -e email address ] [ -E sender email address ] [ -x days ] [-q] [-a] [-b] [-h] [-i] [-n] [-N] [-v] { [ -s common_name ] && [ -p port] } || { [ -f cert_file ] } || { [ -c cert file ] } || { [ -d cert dir ] }" -a : Send a warning message through E-mail -b : Will not print header -c cert file : Print the expiration date for the PEM or PKCS12 formatted cert

