gistfile1.m

#import <Foundation/Foundation.h>

int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

	PrintPathInfo();
	PrintProcessInfo();
	PrintBookmarkInfo();
//	PrintIntrospectionInfo();
	
    [pool release];
    return 0;
}

void PrintPathInfo() {
	NSString *path = @"~";
	path = [path stringByExpandingTildeInPath];
	NSLog(@"My home folder is '%@'", path);
}

void PrintProcessInfo() {
	NSString *processName = [[NSProcessInfo processInfo] processName];
	NSInteger *processIdentifier = [[NSProcessInfo processInfo] processIdentifier];
	NSLog(@"Process Name: '%@' Process ID: '%d'", processName, processIdentifier);

}

void PrintBookmarkInfo() {
	NSArray *keys = [NSArray arrayWithObjects:@"Stanford University", @"Apple", @"CS193P", @"Stanford on iTunes U", @"Stanford Mall"];
	NSArray *objects = [NSArray arrayWithObjects:[NSURL URLWithString:@"http://www.stanford.edu"], [NSURL URLWithString:@"http://www.apple.com"], [NSURL URLWithString:@"http://cs193p.stanford.edu"], [NSURL URLWithString:@"http://itunes.stanford.edu"], [NSURL URLWithString:@"http://stanfordshop.com"]];
	NSMutableDictionary *dict = [NSDictionary dictionaryWithObjects:objects forKeys:keys];
	
	for (id key in dict)
	{
		if([key hasPrefix:@"Stanford"]) {
			NSLog(@"Key: '%@', URL: '%@'", key, [[dict objectForKey:key] absoluteString]);
		}
	}
}