Bash wrapper for cron to run any script daily, weekly and monthly.

cron-weekly.sh

#!/bin/bash

# Called by cron: 0 0 * * * /root/scripts/cron-weekly.sh "/myscript.sh"
# "/myscript.sh" should handle "monthly", "weekly" and "daily" parameters.

wkdate=`date +%w`
DD=`date +%d`

# Mon - Fri, & Sun run daily
# Saturday run weekly except:
# the 1st Saturday of each month run monthly

case $wkdate in
	6)
		if [[ $DD -lt 8 ]] ; then
			# Run monthly
			eval "$1 monthly"
		else
			# Run weekly
			eval "$1 weekly"
		fi
	;;
	*)
		# Run daily
		eval "$1 daily"
	;;
esac