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Top Forums Shell Programming and Scripting Monitoring an html web page changes Post 302737603 by prvnrk on Thursday 29th of November 2012 10:07:54 AM
Old 11-29-2012
Monitoring an html web page changes

Hello,

I need to monitor an html web page for ANY changes and should be able to know if it's modified or not (since last query). I do not need what modifications but just notification is enough.

This is a simple web page and I don't need to parse the links any further.

Is it possible to do it using a shell script, if yes please advise me how to do it.

Thanks!

---------- Post updated at 11:07 AM ---------- Previous update was at 10:24 AM ----------

I got it done by using wget and keep downloading html files and comparing with last previously downloaded file. This way works but I just want to know if there's any better way.

Thanks
 

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TV_GRAB_NA_ICONS(1p)					User Contributed Perl Documentation				      TV_GRAB_NA_ICONS(1p)

NAME
tv_grab_na_icons - Grab channel icon images or links from zap2it.com SYNOPSIS
tv_grab_na_icons [--debug] [--links] [--share dir] tv_grab_na_icons --help tv_grab_na_icons --version DESCRIPTIONS
This script goes to the zap2it web site and downloads icon links or images to the share/icons directory. It was designed to allow icons to be added by tv_grab_na_dd, but there is no reason it can't be used for other purposes. To minimize the load on zap2it.com, downloaded icons are recommended. Links are available for those applications that need it. Also to reduce the load on zap2it.com, this script should be run sparingly. There is really no need to run it frequently, new networks or icons don't show up that often. To emphasize that point, there is no --configure mode, the questions need to be answered each run. OPTIONS
--links Store imge URLs in *.url files instead of downloading images. --share SHAREDIR Icons are stored in SHAREDIR/icons. The share directory is set at install time, but there may be times when it needs to be specified. (for example: no write access to the default share directory) --debug Turns on debugging mode. The grabber will be more verbose, and saves some extra debugging data with the icons. --version Show the version of the grabber. --help Print a help message and exit. SEE ALSO
xmltv. AUTHOR
Robert Eden perl v5.14.2 2012-06-30 TV_GRAB_NA_ICONS(1p)
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