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Old 06-18-2012, 01:54 AM   #1
pra838
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Unhappy How to run URL from Cron job


Dear All,

I have to configure shell scrip to do following task.

1. There is a URL to run (www.example.com/somthing)
2. This URL must be run every ten minutes in background.(As my view we can do it with Cron Tab).

Best Regards/
PRA838
 
Old 06-18-2012, 02:00 AM   #2
414N
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What do you mean by "running a URL"?
URLs cannot be run...
 
Old 06-18-2012, 12:54 PM   #3
glamiss
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by "run url" i'm going to assume you want to check it (and not go to some page and run some youtube video or something every ten minutes ). the curl command is useful for this

curl http://www.yahoo.com

i would suggest dumping the output into a file and then grepping explicitly for something you know is constant (like the title). yahoo is a bad example, but it was just an example i used

Code:
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

    <title>Yahoo!</title>
there you have the title, so the page itself returned (whether the content is what you expected or not is a different question / issue). so in your case, where the page requested is not the top level, (you need the trailing /)

with the wget command, you can get files from a location. so if you were trying to get a constant update of accessible logs or pix or something, you could use that

if you want to get the access code (200, 302, 400, 500), well, i don't know... i have been trying to do this with telnet to get the access code info:
Code:
[glamiss@myserver ~]$ telnet 0 80
Trying 0.0.0.0...
Connected to 0.
Escape character is '^]'.
get /webservice/

HTTP/1.1 200 OK
but i don't know how to dump my telnet output

Last edited by glamiss; 06-18-2012 at 12:56 PM.
 
Old 06-18-2012, 12:55 PM   #4
smoker
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To access a url you have to accept what it sends you. You can throw that data away or whatever. But you must take it. All CGI programs have to return something, so be cool and accept it. Use curl or wget.
Depending on OS, you might be able to open a browser instead (fedora = htmlview).
 
  


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