pgassmann · May 18, 2016 08:50
diff --git a/ssl_cert_days_till_expire.sh b/ssl_cert_days_till_expire.sh
 #!/bin/bash
 # Get number of days till certificate file expires in bash
 # calculate number of days between two dates in bash

 A="now"
 B="$(openssl x509 -in /path_to_cert.pem -noout -enddate | cut -d= -f2-)"
 echo "( `date -d \"$B\" +%s` - `date -d \"$A\" +%s`) / (24*3600)" | bc -l
	#!/bin/bash
	# Get number of days till certificate file expires in bash
	# calculate number of days between two dates in bash

	A="now"
	B="$(openssl x509 -in /path_to_cert.pem -noout -enddate \| cut -d= -f2-)"
	echo "( `date -d \"$B\" +%s` - `date -d \"$A\" +%s`) / (24*3600)" \| bc -l