David Learns Programming

#!/bin/bash
#store todays daily reading
url=http://www.hazelden.org/web/public/thought.view?defaultCatId=1901
lynx -dump -nolist $url | tail -n 80 | head -28 > today_thought.txt
 
#requires: basename,date,md5sum,sed,sendmail,uuencode
function fappend {
    echo "$2">>$1;
}
YYYYMMDD=`date +%Y%m%d`
 
# CHANGE THESE
TOEMAIL="david@bellsouth.net, <a href="mailto:david@linux.com">david@linux.com</a>, comp@gmail.com";
FREMAIL="david@dwabbott.com";
SUBJECT="Thought for the Day - $YYYYMMDD";
MSGBODY="Hello this is your Thought for the Day";
ATTACHMENT="today_thought.txt"
MIMETYPE="text/plain" #if not sure, use <a href="http://www.webmaster-toolkit.com/mime-types.shtml</p>
<p>#" title="http://www.webmaster-toolkit.com/mime-types.shtml</p>
<p>#">http://www.webmaster-toolkit.com/mime-types.shtml</p>
<p>#</p></a> DON'T CHANGE ANYTHING BELOW
TMP="/tmp/tmpfil_123"$RANDOM;
BOUNDARY=`date +%s|md5sum`
BOUNDARY=${BOUNDARY:0:32}
FILENAME=`basename $ATTACHMENT`
 
rm -rf $TMP;
cat $ATTACHMENT|uuencode --base64 $FILENAME>$TMP;
sed -i -e '1,1d' -e '$d' $TMP;#removes first & last lines from $TMP
DATA=`cat $TMP`
 
rm -rf $TMP;
fappend $TMP "From: $FREMAIL";
fappend $TMP "To: $TOEMAIL";
fappend $TMP "Reply-To: $FREMAIL";
fappend $TMP "Subject: $SUBJECT";
fappend $TMP "Content-Type: multipart/mixed; boundary=\""$BOUNDARY"\"";
fappend $TMP "";
fappend $TMP "This is a MIME formatted message.  If you see this text it means that your";
fappend $TMP "email software does not support MIME formatted messages.";
fappend $TMP "";
fappend $TMP "--$BOUNDARY";
fappend $TMP "Content-Type: text/plain; charset=ISO-8859-1; format=flowed";
fappend $TMP "Content-Transfer-Encoding: 7bit";
fappend $TMP "Content-Disposition: inline";
fappend $TMP "";
fappend $TMP "$MSGBODY";
fappend $TMP "";
fappend $TMP "";
fappend $TMP "--$BOUNDARY";
fappend $TMP "Content-Type: $MIMETYPE; name=\"$FILENAME\"";
fappend $TMP "Content-Transfer-Encoding: base64";
fappend $TMP "Content-Disposition: attachment; filename=\"$FILENAME\";";
fappend $TMP "";
fappend $TMP "$DATA";
fappend $TMP "";
fappend $TMP "";
fappend $TMP "--$BOUNDARY--";
fappend $TMP "";
fappend $TMP "";
#cat $TMP>out.txt
cat $TMP|/usr/sbin/sendmail -t;
rm $TMP;