add instructions

pearcopy.py

@@ -1,12 +1,14 @@
 from http.server import HTTPServer, BaseHTTPRequestHandler
 import requests
 
+
 def read_book(resp):
     i = 1
     for item in resp.decode().split(','):
         print(str(i) + ": " + item)
         open("{:04d}.jpg".format(i), 'wb').write(requests.get(item).content)
         i += 1
+    print("done... you probably want to run sth like: \"convert *.jpg out.pdf\"")
 
 
 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
@@ -27,5 +29,10 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
         self.send_header('Access-Control-Allow-Headers', 'content-type')
         self.end_headers()
 
+print("starting service ...")
+print("If you have a book from \"www.pearson-studium.de/drm/reader/nu/code/\" open the developer console on this site and paste the following:")
+print("xhr = new XMLHttpRequest(); xhr.open('POST', \"http://localhost:8000\"); xhr.setRequestHeader('Content-Type', 'application/json'); xhr.send(p.content.list);")
+
 httpd = HTTPServer(('localhost', 8000), SimpleHTTPRequestHandler)
 httpd.serve_forever()
+