hanmail.sh

#!/bin/bash

DAUMID=*****
DAUMPW=*****

# IMAP SSL/TLS
response=`{ echo "a001 login $DAUMID $DAUMPW"; sleep 1; echo "a002 select inbox"; sleep 1; echo "a003 logout"; } | /usr/local/bin/gnutls-cli imap.daum.net --port=993`

# fetch `UNSEEN` mail count
unseen=$(echo $response | grep -oEi 'OK\ \[UNSEEN\ (\d+)' | awk '{print $3}')

# if `$UNSEEN` is number, notify to me.
if [[ $unseen =~ ^[0-9]+$ ]] ; then
    terminal-notifier -message "You've got ${unseen} mails." -title "한메일" -open http://hmstage.daum.net/hanmailex/Top.daum
fi