Single line script for creating crontab entry :
(crontab -l 2>/dev/null; echo “*/15 * * * * /path/to/script.sh 2>&1”) | crontab –
Ref : https://stackoverflow.com/questions/4880290/how-do-i-create-a-crontab-through-a-script
Create a Crontab Through a Script
July 29, 2019
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