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Posted by Jerry Stuckle on 07/22/07 13:57
Toby A Inkster wrote:
> Jerry Stuckle wrote:
>
>> And one can argue the amount of similarity is not relevant. For
>> instance, I suspect a word processor such as MS Word holds a document
>> internally in much different form than it is on disk.
>
> As it happens, it's well-established that Word documents are basically
> just a memory dump of what Word holds in its memory. That's why people
> have found the format so difficult to reverse engineer: if your program
> structures itself differently internally, then the file format doesn't
> make much sense.
>
It has? By whom? Certainly not from Microsoft. Where did you find that?
> That said, most other word processing document formats are different from
> the way the document is held in memory.
>
And why would they be so much different than Word? Maybe Word doesn't
do it what way, either?
> But anyhow, I fail to see the relevance of this comment. A word processing
> document is not a program (though it may contain embedded scripts) --
> whether its held in memory in the same format as it is on disk or not
> doesn't effect my argument that PHP (and indeed most interpreted
> languages) are, in memory, built into an effectively binary format, not
> much resembling the script on disk, and then executed.
>
It is quite relevant, Toby.
A word processing document is a script describing how to display
something on the screen or paper.
--
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Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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