Frank Arensmeier wrote: > Hello all. > > I am looking for some ideas on how to design / structure a script which > checks for updates on files on a existing CD ROM. > > Every week, I generate content for a CD ROM containing a large number of > html pages and PDF files (the CD is distributed to 20 - 30 dealers for > ours) . The PHP script which is doing this is outputting a ZIP > compressed archive. This ZIP file is then unpacked and burned on a CD. I > am now playing with the idea to provide a "check-for-updates" function > on the CD. Because the ZIP archives are rather large in size (300 MB), I > am not able to keep all ZIP files. One or two months back is ok. My idea > is to have a db table on MySQL containing checksums for all files of > the archive and have a script that is able to compare those lists. (one > ZIP archive has about 400 - 500 files) > > My idea is: > On the CD's start page I could have a link like: > http://myserver.com/look_for_updates.php?myArchiveName=2006-11-10
this implies an internet connection - why not just give them a website in the first place? then all they have to do is hit refresh. > > The script will then compare checksums for the files included in the > archive "2006-11-10" and checksums for the recent file list. It then > outputs a new ZIP file including new and updated files. Do you think > that there is another (more elegant) way for doing this? Keep in mind > that a ZIP file contains about 400-500 files which means that the table > would grow rapidly week by week. In only one year the table would > contain roughly 25000 rows of data. > > /frank > > --PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
