Push notification if zhaokao.net is updated

fetch_zhaokao.sh

#!bin/zsh 
# I'll just using zsh as my shell, could be replaced with bash.

cd ~/Downloads/zhaokao # Move to directory of operation
curl -O http://www.zhaokao.net/gzfwlist\?colid\=all # Download the page with cURL, only main page.
mv gzfwlist?colid=all 2.html # Rename

diff 1.html 2.html >> diff.txt # Using built-in diff tool to compare

if [ -s diff.txt ] ; then # [ -s xxx ] meant to validate if the diff.txt is empty(which meant there's no changes), if it's not empty, then return true
	awk BEGIN{RS=EOF}'{gsub(/\n/,"");print}' diff.txt >> diff-1.txt # Pre-process the text from diff.txt, delete every "/n", pass it to diff-1.txt
	
	# iOS User with Bark
	cat diff-1.txt | xargs -I {} curl https://<PUSH SERVER>/<YOUR APPID>/Update/{} # Get the text from diff-1, using xargs to intent the text to the link that cURL is about to access to
	
	# Android User with Server-chan on Wechat (also work on iOS though)
	#cat diff-1.txt | xargs -I {} curl -d'text={}' https://sc.<Server-Chan-URL>.com/<YOUR SCKEY>.send
	
	mv diff.txt /tmp/zhaokao # Move to temp folder instead of directly using rm
	mv diff-1.txt /tmp/zhaokao 
	
else

	mv diff.txt /tmp/zhaokao # delete useless file
	
fi

mv 1.html /tmp/zhaokao # The cycle.
mv 2.html 1.html

本 shell 脚本仅用来监控天津市招考资讯网公众服务大厅内栏目，非全站。
本脚本使用推送服务为Bark，安卓用户可以尝试Server-Chan。
使用时请将<PUSH SERVER> 改为你使用的推送服务器，并将<YOUR APPID> 改为你 APP 内显示的 App ID。
如果使用 Server-Chan，对应着改就行（然后把上一行注释掉）。
如何定时运行脚本可以参考我的博客，可以尝试部署到 GitHub Actions。