The interesting part is the magic db which file does use ...
G5:~ jonbaer$ egrep "jpeg|png|gif" /usr/share/file/magic.mime
0 string GIF image/gif
0 beshort 0xffd8 image/jpeg
0 string \x89PNG image/png
G5:/~ jonbaer$
Also it has been recently updated (if you want to update your
mime_magic.magicfile directive) ...
ftp://ftp.astron.com/pub/file/
- Jon
On May 11, 2007, at 11:39 AM, csnyder wrote:
On 5/10/07, Jon Baer <[EMAIL PROTECTED]> wrote:
What you're really looking for the is the 'magic' of the bin file.
http://en.wikipedia.org/wiki/Magic_number_%28programming%29
There is a PECL extension for diving into libmagic ...
http://pecl.php.net/package/Fileinfo
In the past, I've made use of the unix file command for this.
csnyder$ file -bi Desktop/DSC01060.jpg
image/jpeg
Command above uses -b for brief, and -i to get the mimetype of the
file.
--
Chris Snyder
http://chxo.com/
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