What is the Mac app signature?

Brent Anderson brentj84062 at gmail.com
Thu Jun 28 09:51:52 EDT 2007


Hello.

The PkgInfo and Info.plist files are for identifying a few things.  
PkgInfo is a file read by the system when you start your app. It  
registers your app (and I believe filetypes associated to it as well)  
telling the system that your application is just that - an  
application. All bundles require one of these (FYI - a bundle on a  
mac is basically a folder but it is treated like something else - an  
application is a bundle, a framework is a bundle, and Revolution  
externals are a bundle - all resources for the bundle are inside it  
to keep things tidy). The Info.plist is another identifier that tells  
the system where the application came from, what it's icon is, what  
languages it supports, and a ton of other runtime parameters. You can  
read the technical document on it here: http://developer.apple.com/ 
documentation/MacOSX/Conceptual/BPRuntimeConfig/Articles/ 
ConfigFiles.html.

Thanks,
Brent Anderson
Fiery Ferret
http://www.fieryferret.com



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