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Simple webpage change detection script  

Simple webpage change detection script is project number 271865
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Status:

Selected Providers: shuiwatermizu

Budget: $30-250

Created: 06/07/2008 at 18:26 EDT

Bid Count: 8

Average Bid:
$ 84

06/08/2008 at 18:26 EDT

Project Creator: harveycarpenter2
Employer Rating: 10/1010/1010/1010/1010/1010/1010/1010/1010/1010/10 (13 reviews)

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Description

A PHP script that can run on a cronjob to detect changes in a webpage is required.

Please see a sample of the webpage below:

http://www.seetickets.com/readingandleeds/price.asp?code=262573&filler1=see&filler2=multisee

If an extra line of text and a dropdown menu (for example) is added or removed, the script must detect this change and send me an email.

Minor changes, such as anti-caching measures, time of http request etc. that only add a few bytes onto the page size should not trigger the update email, however.

Your script would:
1. Download the page
2. Check if it is (significantly) different to the last check's version
3. Send an email if there has been a change

A hash of the file probably wouldn't work, as tiny changes would make a difference. Perhaps the best way would be to detect whether or not the _filesize_ has changed, more than 5 bytes for example.

The script will be automatically run every 2 minutes, so should not be too processor intensive.


Additional information submitted:

06/07/2008 at 18:28 EDT:
Please note:

* This project should not take more than an hour or two for an experienced coder, so please bid accordingly.

* The script will be tested on a similar page to the one in question.


Messages Posted:1 View project clarification board Post message on project clarification board

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160

3 days

06-08-2008 00:53 EDT

I am ready to do now

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40

1 day

06-08-2008 01:21 EDT

I have one script satisfy your needs. see PM

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50

2 days

06-08-2008 04:12 EDT

I am clear with your requirements.

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70

1 day

06-07-2008 19:36 EDT

I am interested in this project.

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60

1 day

06-07-2008 19:58 EDT

I have a solution that fits your project's needs. Please see PMB.

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80

4 days

06-07-2008 19:06 EDT

(No Feedback Yet)

I'm interested on your posted proyect.

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150

4 days

06-07-2008 19:18 EDT

(No Feedback Yet)

I'm very interested in this project.

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60

1 day

06-08-2008 03:12 EDT

(No Feedback Yet)

Ready to do this work.

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