[SWLUG] Carmarthen meeting reminder - TONIGHT

[Dafydd Walters]

Oops. My last message contained weird formatting characters in the bash
script. The sanitised version:


#!/usr/bin/env bash
#
# Script :swlug-reminder
#
############################################
# Configuration parameters:

SENDER='dafydd at walters-home.net'
RECIPIENTS='discuss at swlug.org announce at swlug.org'
SEND_DAY_OF_WEEK=$1
SEND_LOWEST_DAY_OF_MONTH=$2
SEND_HIGHEST_DAY_OF_MONTH=$3
VENUE=$4
DAY_OF_MEETING=$5

#############################################

function send_mail()
{
 /usr/sbin/sendmail -f $SENDER -t << EOF
Reply-To: $SENDER
Subject: SWLUG $VENUE Meeting Reminder
To: $1
Content-type: text/plain

This is a reminder than the next SWLUG meeting in $VENUE
will be held tomorrow (${DAY_OF_MEETING}) at 7PM.
See the http://swlug.org web site for details.
--
This automated message was brought to you by cron.
EOF
}

DAY_OF_WEEK=$(date '+%a')
DAY_OF_MONTH=$(date '+%d')

if [ "$DAY_OF_WEEK" == $SEND_DAY_OF_WEEK -a $DAY_OF_MONTH -ge
$SEND_LOWEST_DAY_OF_MONTH -a $DAY_OF_MONTH -le $SEND_HIGHEST_DAY_OF_MONTH ]
then
 for R in $RECIPIENTS
 do
  send_mail $R
 done
fi

#################### End of Script

Here are the two cron entries:

0 4 * * * /home/dafydd/bin/swlug-reminder 'Mon' 15 21 'Carmarthen' 'Tuesday'

5 4 * * * /home/dafydd/bin/swlug-reminder 'Tue' 1 7 'Cardiff' 'Wednesday'