linux curl read write cookies

When you’re scripting against a web app that uses session cookies, you need to persist the session between curl calls. This two-step pattern — save cookies on first request, send them on subsequent ones — is the standard approach. Without it, you’ll get logged out on every request.

• Save cookies from website to a file

$ curl -c cookie-jar.txt https://test_website.com/;

• Read cookies from file and send to website

$ curl -b cookie-jar.txt https://test_website.com/index