Use crontab(1) utility. Run it as open CRONTAB 'crontab -l|' to get your current crontab on the standard output, modify it, and then open CRONTAB '|crontab -' to get it installed. This is the only way to edit crontabs for mere mortals as designed by cron author.

In reply to Re: script to add to crontab by kappa
in thread script to add to crontab by Anonymous Monk

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