> This is a file that, when open()ed for read (O_RDONLY, O_RDWR, etc) would
> be executed as a binary or script, and the output would be substituted for
> the file.
>
> For example: apache open()s a .htaccess file (set like this) which is a
> script: grep ^ww /etc/passwd #(simple, i know). When apache open()s it,
> it does not see that one line, but instead sees the results of that line
> executing. Granted, this would not be the FASTEST process in the world,
> but perhaps some sort of dependancy/cache system could help there.
>
> I imagine this would be a chattr controlled option.
>
> Has anyone ever thought about something like this?
Kernighan & Ritchie themselfes in good old Edition 7 from '77 ...
> Does it sound like something that would be worthwhile?
popen("grep ^ww /etc/passwd", "r");
> there would need to be SOME way to edit the file :)
$EDITOR
> could this be made generic so that it is not ext2 dependant?
You just answered the question why it's a bad idea to put this into a fs.
Ralf
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