Add Scripts/arch_linux-news.sh

Scripts/arch_linux-news.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -eou pipefail
+
+# Variables
+CHAT_ID=""
+TOKEN=""
+URL="https://archlinux.org"
+RECENT_FILE="/tmp/recent_arch_news"
+
+# Creates file if not existing
+if [[ ! -f "${RECENT_FILE}" ]]; then
+   touch "${RECENT_FILE}"
+fi
+
+# Check if recent news has already been send
+LATEST_NEWS=$(curl -s "$URL/news/" | xmllint --html --xpath 'string(//table[@id="article-list"]/tbody/tr[1]/td[2]/a/@href)' - 2>/dev/null)
+RECENT_NEWS=$(cat "${RECENT_FILE}")
+
+if [[ "${LATEST_NEWS}" == "${RECENT_NEWS}" ]]; then
+   exit 0
+fi
+
+# Takes URL and title to make message text
+NEWS_URL="${URL}${LATEST_NEWS}"
+TITEL=$(curl -s "${NEWS_URL}" | xmllint --html --xpath 'string(//div[@id="content"]//h2)' - 2>/dev/null)
+TEXT="${TITEL}: ${NEWS_URL}"
+
+# Send message
+send_message(){
+   curl -s -X POST "https://api.telegram.org/bot${TOKEN}/sendMessage" \
+      -d chat_id="${CHAT_ID}" -d text="${TEXT}"
+}
+
+# If message was send save news to file
+if send_message; then
+   echo "${LATEST_NEWS}" > "${RECENT_FILE}"
+fi