load-tape

#!/bin/sh

########################################################
#
#  Shell script: load-tape
#
#  1998, Michael Doran, doran@uta.edu
#  University of Texas at Arlington
#
#  Reminds tape operator which tape to load for backup.
#
#  This cron script should run in the morning.
#
########################################################

# Variables
 tape_dev=bullwinkle       # machine to load tape on
 day=`date +%w`            # Day of week [0-6, Sunday=0]
 dom=`date +%e`            # Day of month [1-31]
 operator=taper            # see /etc/mail/aliases

# Function to email reminder
remind ()
{
    echo "Load $1 tape in ${tape_dev}." | \
    mailx -s "Load tape reminder" ${operator}
}

if [ $day -eq 5 ]  # Friday
then
    if [ $dom -ge 29 -o $dom -le 4 ] 
    then
        remind "the appropriate month's \"1st Monday\""
    elif [ $dom -le 11 ]
    then
        remind "\"2nd Monday\""
    elif [ $dom -le 18 ]
    then
        remind "\"3rd Monday\""
    elif [ $dom -le 25 ]
    then
        remind "\"4th Monday\""
    elif [ $dom -ge 26 -a $dom -le 28 ]
    then
        remind "\"1st Monday\" tape if Monday is the \
	beginning of a new month, otherwise load \"5th Monday\""
    fi
elif [ $day -eq 1 ]  # Monday
then
    if [ $dom -ge 31 -o $dom -le 6 ]
    then
        remind "this month's \"1st Tuesday\""
    elif [ $dom -ge 28 -a $dom -le 30 ]
    then
        remind "\"1st Tuesday\" tape if tomorrow is the \
	1st of the month, otherwise load \"Tuesday\""
    else
        remind \"Tuesday\"
    fi
elif [ $day -eq 2 ]  # Tuesday
then 
    remind \"Wednesday\"
elif [ $day -eq 3 ]  # Wednesday
then
    remind \"Thursday\"
elif [ $day -eq 4 ]  # Thursday
then
    remind \"Friday\"
fi 

exit 0