Re: Software to read/write Excel to CD?
| From: | Peter Ford | Date: | Fri, 15 May 2009 09:21:22 +0000 |
| Subject: | Re: Software to read/write Excel to CD? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-292607@lists.php.net to get a copy of this message | ||
Matt Graham wrote:
> Ashley Sheridan wrote:
>> Paul M Foster wrote:
>>> On Thu, May 14, 2009 at 03:22:12PM -0500, Skip Evans wrote:
>>>> One of the things the other company said was possible, and I'm
>>>> not familiar with... if I understand correctly, is to create a
>>>> CD with not just an Excel spreadsheet, but software on that CD
>>>> that when placed in another computer will open the
>>>> spreadsheet, allow it to be modified and rewritten back to the CD.
>
> It has to be a CD-RW, the CD-RW has to be in UDF format, and the host
> machine has to be able to read and rewrite CD-RWs in UDF. This is
> actually not that tough to arrange--it just has nothing to do with
> PHP. 'DozeXP should be able to do this, and Linux will do this if the
> right kernel options are on. Don't know about OS X.
>
>>> Second, include some other program which
>>> would do the same thing. Good luck with that.
>
> OOO Calc, which should be just fine for basic tasks and is Free.
>
>>> And now the kicker-- write the spreadsheet back to CD. Okay, maybe, if
>>> it's a CD-RW. But who's going to pay attention to that little detail?
>>> And as far as I know, writing to a CD is far more complicated than
>>> writing to a hard drive. You can't overwrite data on a CD-RW.
>
> UDF, which has been a standard for quite some time, allows this. The
> main thing you lose is some space on the CD-RW.
>
>> I've never heard of anything like that, there are so many unknown
>> variables that I would really feel for the poor team who had to take
>> that project on!
>
> It sounds like whoever defined the requirements was trying to solve a
> problem in the wrong way. Why drag physical media into this when you
> have the Net available? And if the clients don't have the Net
> available, *why not*?
>
It *is* possible to be offline, and so far from anywhere that the only com links
are to satellites... (expensive).
I suspect that a USB key is a better option (and more physically portable) than
a UFB CD.
But why write an Excel spreadsheet - why not save the data in something more
portable like CSV that ExCel and read and write to once you are back at base?
--
Peter Ford phone: 01580 893333
Developer fax: 01580 893399
Justcroft International Ltd., Staplehurst, Kent