Script to send attachments with sendmail.

All credit to Joe Roebuck...

You may want to modify certain aspects of the script to suit your needs. Take extra note of the switches, e.g. -b if you want to send binary files.

Enjoy
Chris


#set +x
#
# jail -> shell script for sending mime email enclosures from command line
#
# Usage : jail [options] email-address file-to-be-sent
# $1 $2
#
# John Roebuck - 11/08/97
#
# John Roebuck - 29/01/98 - Add options to allow optional subject and urgent.
# John Roebuck - 18/03/98 - Get Hostname of machine and user.
# John Roebuck - 26/05/98 - Allow multiple files to be sent.
# John Roebuck - 11/12/98 - Remove all MTMS options and requirements,
# also added -v for verbose (debug) sendmail option.
# John Roebuck - 17/12/98 - Added -b option of uuencoding binary files.
# John Roebuck - 22/12/98 - Added -r option of delivery receipt required.

version="jail 1.4 by John Roebuck 17/12/98"

#
# Get command line options
#
bflag=0
rflag=0
sflag=0
uflag=0
vflag=0

while getopts brs:uv name
do
case $name in
b) bflag=1;;
r) rflag=1;;
s) sflag=1
sval="$OPTARG";;
u) uflag=1;;
v) vflag=1;;
#
# Display syntax if ? passed as an option in the command line
#
?) echo " "
echo "Usage : jail [options] email-address files-to-be-set"
echo " "
echo " options are -b for binary files"
echo " -r delivery receipt required"
echo " -s (subject of mail message)"
echo " -u Urgent"
echo " -v Verbose sendmail (debug)"
echo " ("$version")"
echo " "
exit 2;;
esac
done

#
# Set urgent flag to 1 if urgent option is found
#
if [ $uflag = 1 ]; then urgent="urgent"
else urgent="normal"
fi

#
# Include subject from command line if subject option is found
#
if [ $sflag = 1 ]; then subject=$sval
else subject=" "
fi

shift $(($OPTIND -1))

#
# Display syntax if less than 2 command line parameters are found
# after the command line options. Require email address and 1 file
# as a minimum.
#
if [ $# -lt 2 ]
then echo " "
echo "Usage : jail [options] email-address files-to-be-sent"
echo " "
echo " options are -b for binary files"
echo " -r delivery receipt required"
echo " -s (subject of mail message)"
echo " -u Urgent"
echo " -v Verbose sendmail (debug)"
echo " ("$version")"
echo " "
exit
fi

#
# set -f stops * being expanded within the shell script. (ksh option)
#
set -f

#
# Now get the send to email address
#
sendto=$1
shift

#
# Find out how many files to send as enclosures in this email message
#
attno=$#
if [ $attno = 1 ]; then attmess="enclosure"
else attmess="enclosures"
fi

#
# Format the variable $now as "Friday 18 December 1998 16:22"
#
xday=`date +%a`
xdayno=`date +%d`
xmonth=`date +%b`
xyear=`date +%Y`
xtime=`date +%H:%M:%S`
now=$xday", "$xdayno" "$xmonth" "$xyear" "$xtime

#
# Create message boundary number based on process id
#
boundary=JPR$$

#
# Create message id number based on date and process id
#
messid=`date +%d%m%y`$$

#
# Create temporary file based on date time and process id
#
tempfile=/tmp/jail-`date +%d%m%y%H%M%S`$$
touch $tempfile

#
# Get sender details eg user name and description, machine hostname
#
# sender login is the login name of the current user account
#
senderlogin=`whoami`
#
# Domain is taken from the domain field in /etc/resolv.conf file
#
senderdomain=`grep domain /etc/resolv.conf | cut -f2`
#
# Sender address is login name @ machine hostname . domain
#
senderaddress=$senderlogin"@"`hostname`"."$senderdomain
#
# Sender name is taken from the login name description field in /etc/passwd
#
sendername=`grep $senderlogin /etc/passwd |cut -d: -f5`

#
# Create header part of email file
#

echo "From: \""$sendername"\" <"$senderaddress">" >> $tempfile
echo "To: "$sendto >> $tempfile
echo "Date: "$now >> $tempfile
echo "Mime-Version: 1.0 "$version >> $tempfile
echo "Content-Type: Multipart/Mixed; boundary=Message-Boundary-"$boundary >> $tempfile
echo "Subject: "$subject>> $tempfile

#
# Is a delivery receipt required ?
#
if [ $rflag = 1 ]; then
echo "Return-Receipt-To: \""$sendername"\" <"$senderaddress">" >> $tempfile
fi

echo "Priority: "$urgent >> $tempfile
echo "Message-Id: <"$messid"."$senderdomain >> $tempfile
echo "Status: RO" >> $tempfile
echo "" >> $tempfile
echo "" >> $tempfile
echo "--Message-Boundary-"$boundary >> $tempfile
echo "Content-type: text/plain; charset=US-ASCII" >> $tempfile
echo "Content-transfer-encoding: 7BIT" >> $tempfile
echo "Content-description: Read Me First" >> $tempfile
echo "" >> $tempfile
echo "" >> $tempfile

#
# Create mail message body part of email file
#

echo "Hello" >> $tempfile
echo "" >> $tempfile
echo "Please find "$attno" '"$attmess"' to this email message :- " >> $tempfile
echo "" >> $tempfile

#
# Generate file information for each enclosure. The information is in the
# format : File name 1 aix.doc
# Produced on 16 Dec at 18:59
# File size 33469 bytes.
#
messno=0
while [ $attno -gt $messno ]
do

messno=`expr $messno + 1`
filename[$messno]=$1
shift

report1="File name "$messno" "${filename[$messno]}
report2=`ls -l "${filename[$messno]}" |awk '{print "" "Produced on "$6 " " $7 " at " $8 "" }'`
report3=`ls -l "${filename[$messno]}" |awk '{print "" "File size "$5" bytes." "" }'`

echo "$report1" >> $tempfile
echo "$report2" >> $tempfile
echo "$report3" >> $tempfile

echo "" >> $tempfile

done

echo "" >> $tempfile
echo "" >> $tempfile
echo "Regards "$sendername" ("$senderaddress")" >> $tempfile
echo "" >> $tempfile

#
# For each file, create enclosure for the file.
#
messno=0
while [ $attno -gt $messno ]
do

messno=`expr $messno + 1`

#
# Check from command line if files are ascii or binary
#
if [ $bflag = 0 ]; then

#
# Add extra chr$ to ascii files for unix to dos conversion. This
# means reading in each line of the text file and writing it out to
# the temp file with a charage return character added to the end of
# each line.
# Unforntunately ksh read will ignore leading spaces at the beginning
# of each line.
#
echo "--Message-Boundary-"$boundary >> $tempfile
echo "Content-type: Application/Octet-Stream; name=${filename[$messno]}; type=Text" >> $tempfile
echo "Content-description: attachment; filename=${filename[$messno]}" >> $tempfile
echo "" >> $tempfile

{
while read line_data
do
echo "$line_data""
" >> $tempfile
done } < ${filename[$messno]}

else

#
# uuencode binary mail
#
echo "--Message-Boundary-"$boundary >> $tempfile
echo "Content-type: Application/Octet-stream; name=${filename[$messno]}; type=Binary" >> $tempfile
echo "Content-disposition: attachment; filename=${filename[$messno]}" >> $tempfile
echo "Content-transfer-encoding: X-UUencode" >> $tempfile
echo "" >> $tempfile

uuencode ${filename[$messno]} ${filename[$messno]} >> $tempfile

fi
done

#
# Send email message straight to sendmail. Use -v option if debug
# option has been set at the command line.
#
if [ $vflag = 1 ]; then /usr/lib/sendmail -v $sendto < $tempfile
else /usr/lib/sendmail $sendto < $tempfile
fi

#
# Remove temp file
#
rm $tempfile