eggdrop_pm_to_email.sh

#!/bin/sh
#pmread.sh
#Debian 9.1 stretch
#SSMTP - as local mail delivery
#Script sends eggdrop's incoming private messages to an email

#Log location must be set in eggdrop.conf as shown below
# This creates a logfile named eggdrop.log containing private msgs/ctcps,
# commands, errors, and misc. info from any channel.
#logfile mcobxs * "/usr/share/eggdrop/logs/eggdropname.log"

# Tail - Concatenate logs files, Awk - Parse PMs, Mail - Send it, Diff - Compare files, Comm - output differences
if [ ! -f /usr/share/eggdrop/logs/oldmail.txt ]; then
    tail -n +1 /usr/share/eggdrop/logs/eggdropname.log* | awk '$2 ~ /\[/ || $1 ~ /==/{print}' >> /usr/share/eggdrop/logs/oldmail.txt
    mail -s "PMs for eggdropname" your@mail.tld < /usr/share/eggdrop/logs/oldmail.txt
fi

tail -n +1 /usr/share/eggdrop/logs/eggdropname.log* | awk '$2 ~ /\[/ || $1 ~ /==/{print}' >> /usr/share/eggdrop/logs/mail.txt
if ! diff -q /usr/share/eggdrop/logs/oldmail.txt /usr/share/eggdrop/logs/mail.txt >/dev/null; then
    comm -13 --nocheck-order /usr/share/eggdrop/logs/oldmail.txt /usr/share/eggdrop/logs/mail.txt >> /usr/share/eggdrop/logs/sentmail.txt
    mail -s "PMs for VPR" your@mail.tld < /usr/share/eggdrop/logs/sentmail.txt
    rm /usr/share/eggdrop/logs/sentmail.txt
    mv /usr/share/eggdrop/logs/mail.txt /usr/share/eggdrop/logs/oldmail.txt
fi
rm /usr/share/eggdrop/logs/mail.txt 2>/dev/null