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Get number of days till certificate file expires in bash
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| #!/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 |
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