Created
May 18, 2020 12:45
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| #!/bin/sh | |
| URL=${1:-https://catalog.princeton.edu} | |
| EXP=`curl --insecure -v $URL 2>&1 | grep "* expire date" | sed -e's/* expire date: //'` | |
| EXP_S=`date -j -f "%B %e %H:%M:%S %Y %Z" +%s "$EXP"` | |
| NOW_S=`date +%s` | |
| echo $URL: $(( ($EXP_S - $NOW_S) / (3600*24) )) days until expiration |
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