cnandreu/uprmGradeStalker.sh

## uprmGradeStalker.sh
#!/bin/bash

# ----------------------------------------------------------------------------
# "THE BEER-WARE LICENSE" (Revision 42):
# <carlos.andreu[at]upr.edu> wrote this file. As long as you retain this notice you
# can do whatever you want with this stuff. If we meet some day, and you think
# this stuff is worth it, you can buy me a beer in return.
# ----------------------------------------------------------------------------

#Your home.uprm.edu login goes here:
name=nombre.apellido
pass=12345

#This will run every hour until you close it manually (ctrl+c)
while true; do

#Get the session cookie
wget --save-cookies cookies.txt \
     --keep-session-cookies \
     --post-data "username=$name&password=$pass" \
     https://home.uprm.edu/ckstart.php

#Get the grade picture
wget --load-cookies cookies.txt \
     --keep-session-cookies \
     -p https://home.uprm.edu/grades/students/view.php

#Move it to relative root
cp home.uprm.edu/grades/students/card.php\?l\=* grades.png

#Chill
sleep 1

#Clean up
rm cookies.txt ckstart.php
rm -rf home.uprm.edu/

#Compare md5 hashes
md5 grades.png >> md5.txt
if [ -f old_md5.txt ]
  then
    diff md5.txt old_md5.txt >> result.txt
fi

mv md5.txt old_md5.txt

#result.txt exists and is greater than 0
if [ -s result.txt ]
  then
    growlnotify -m "New grade!"
    rm result.txt
fi

#3600 seconds = 1hour
sleep 3600

done
	#!/bin/bash

	# ----------------------------------------------------------------------------
	# "THE BEER-WARE LICENSE" (Revision 42):
	# <carlos.andreu[at]upr.edu> wrote this file. As long as you retain this notice you
	# can do whatever you want with this stuff. If we meet some day, and you think
	# this stuff is worth it, you can buy me a beer in return.
	# ----------------------------------------------------------------------------

	#Your home.uprm.edu login goes here:
	name=nombre.apellido
	pass=12345

	#This will run every hour until you close it manually (ctrl+c)
	while true; do

	#Get the session cookie
	wget --save-cookies cookies.txt \
	--keep-session-cookies \
	--post-data "username=$name&password=$pass" \
	https://home.uprm.edu/ckstart.php

	#Get the grade picture
	wget --load-cookies cookies.txt \
	--keep-session-cookies \
	-p https://home.uprm.edu/grades/students/view.php

	#Move it to relative root
	cp home.uprm.edu/grades/students/card.php\?l\=* grades.png

	#Chill
	sleep 1

	#Clean up
	rm cookies.txt ckstart.php
	rm -rf home.uprm.edu/

	#Compare md5 hashes
	md5 grades.png >> md5.txt
	if [ -f old_md5.txt ]
	then
	diff md5.txt old_md5.txt >> result.txt
	fi

	mv md5.txt old_md5.txt

	#result.txt exists and is greater than 0
	if [ -s result.txt ]
	then
	growlnotify -m "New grade!"
	rm result.txt
	fi

	#3600 seconds = 1hour
	sleep 3600

	done