2

Currently, I'm checking a site with curl and grep for a particular pattern. 

for i in {1..300}; do
  curl -s http://example.com | grep "Welcome to " 
  status=$? 
  # if status is 0 - print found else not found
  sleep 1;
done

How to convert this shell code into JavaScript code? I would like to print something like this:

//cURL req & get status of grep
if ( status == 0 )
  alert("Its found");
else
  alert("Not found Yet");

Thanks for any help or JSFiddle references. :)

EDIT: I came across this http://jsfiddle.net/GSSCD/203/ and this get sourcecode after javascript execution with curl I'm hoping for something like that based on JavaScript.

EDIT 2: Running on browser, need to verify this from browser. Platform already uses jQuery (Flask-based server).

Improve this question
5
  • 3
    Use AJAX. But browsers normally can't perform AJAX to other domains. Commented Jan 2, 2015 at 8:56
  • 2
    You can allow Access-Control-Allow-Origin: yourdomain-you-are-connecting-from.com to perform AJAX to other domains. Commented Jan 2, 2015 at 8:59
  • 1
    You need to include more details if you are running on a browser or node.js Commented Jan 2, 2015 at 9:08
  • thanks for the responses. pls see my new edit. Commented Jan 2, 2015 at 9:17
  • 2
    What platform? Browser? -- Not many options for the browser without using a proxy (send ajax request to server, server curl's target server, sends resposne back to browser) Commented Jan 2, 2015 at 9:24
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