YAPC 2015 Ticket checker

yapc2015.sh

#!/bin/bash                                                                                                      
URL=http://peatix.com/event/87412/view
XPATH='//*[@id="tix-249035"]'

if [[ -n $(curl -s "$URL" | xmllint --nowarning --html -xpath "$XPATH" - 2>/dev/null | fgrep 'SOLD OUT') ]]; then
  echo "YAPC2015 SOLD OUT"
else
  echo "YAPC2015 BUY NOW"
fi

yapc2015_talknote.sh

#!/bin/bash

function sendMailTalknote() {
  head="Content-Type: text/plain; charset=ISO-2022-JP";
  from="From: notifier@example.com"
  addr="To: g-00000-00000@mail.talknote.com"

  body="$1"
  body=$(echo "${body}" | nkf -Wj)

  echo -e "${from}\n${addr}\n${head}\n\n${body}" | /usr/sbin/sendmail -t -i
}

function getYapc2015() {
  XPATH=()
  XPATH[0]='//\*[@id="tix-249030"]' # 1 Day Pass "A" | 一日券A (8/21, no T shirt)
  XPATH[1]='//\*[@id="tix-249032"]' # 1 Day Pass "B" | 一日券B (8/22, no T shirt)
  XPATH[2]='//\*[@id="tix-249034"]' # 2 Day Pass | 二日券 (8/21+8/22, no T shirt)
  XPATH[3]='//\*[@id="tix-249035"]' # 2 Day Pass | 二日券 (8/21+8/22, w/ T shirt)
  curl -s http://peatix.com/event/87412/view > /tmp/curl.tmp

  for (( i = 0; i < ${#XPATH[@]}; ++i )); do
    xmllint --html --xpath "$(echo ${XPATH[$i]} | tr -d '\\')" /tmp/curl.tmp 2>/dev/null > /tmp/curl.lint$i.tmp
    if [[ -n $(cat /tmp/curl.lint$i.tmp | fgrep "display:none;") ]]; then
      cat /tmp/curl.lint$i.tmp | fgrep "ticket-name" | awk -F'<|>' '{print $3}'
    fi
  done
}

sendMailTalknote "$(getYapc2015)"