cli tool to display birthdays. good for geektool

birthdays.m

/**************************************************************************************/
// Copyright 2004 by Sven Janssen.
// Small app to get the birtday out of Apple Addressbook.
// Used to show them with GeekTool on my desktop
// gcc -framework Foundation -framework AddressBook -O2 -o birthday source/main.m
//
/**************************************************************************************/

#import <Foundation/Foundation.h>
#import <AddressBook/AddressBook.h>

#include <unistd.h>

void showOptions() {
	printf(
		"Birthday Reminder 1.0 by Sven Janssen <[email protected]>\n"
		"Small application to show your Apple Address Book birthdays on the command line\n"
		"Best used with GeekTool\n\n"
		"Options:\n"
		"-O         show your own address book card\n"
		"-p num     display n persons. Default = 5\n"
		"-h/-H/-?   show this help\n"
	); 
}

int main(int argc, char *argv[])
{
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	NSArray *people = [[ABAddressBook sharedAddressBook] people];
	NSMutableArray *birthdayArray;
	
	int myc,i,j,age;
	int personCount = 5;	 		// How many person shoud I display. Default = 5
	BOOL showOwnCard = false; 		// Do not show your own card.
	
	birthdayArray = [NSMutableArray arrayWithObject:@""]; // Clear Array

	//Check arguments
	while ((i=getopt(argc,argv,"hH?Op:"))!=-1)
        switch (i) {
        	case '?':
        	case 'H':
        	case 'h':
        		showOptions();
        		[pool release];
        		return 0;
        	case 'p':
        		personCount = strtol(optarg,NULL,0);
        		break;
        	case 'O':
        		showOwnCard=true;
        		break;
        	default:
        		break;
        }
			
	//get today	
	NSString * today=[NSString stringWithString:[[NSDate date] descriptionWithCalendarFormat:@"%m%d" 
		timeZone:nil locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]]];
		
	myc=0;
	for (i = 0; i < [people count]; i++) {
		ABPerson *person = [people objectAtIndex:i];
		NSDate *bday = [person valueForProperty:kABBirthdayProperty];

		if(bday == NULL ) continue; // Person has no birthday 
		if(person == [[ABAddressBook sharedAddressBook] me] && !showOwnCard) continue; // Do not show own card
		
		NSString * bdaystring=[NSString stringWithString:[bday descriptionWithCalendarFormat:@"%m%d" 
			timeZone:nil locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]]];
		
		// Calculate the age
		age = [[[NSDate date] descriptionWithCalendarFormat:@"%Y" timeZone:nil locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]] intValue]-[[bday descriptionWithCalendarFormat:@"%Y" timeZone:nil locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]] intValue];
				
		//Enter persopn to birthday Array
		[birthdayArray addObject:[NSString stringWithFormat:@"%02d-%@ (%2d) : %c %@ %@ %c",
				[bdaystring compare:today] == NSOrderedAscending ? 1 : 0, 	//Check if birthday is befor or after today. Need to sort correct
				[bday descriptionWithCalendarFormat:@"%m-%d" timeZone:nil locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]],
				age+([bdaystring compare:today] == NSOrderedAscending ? 1 : 0),
				[bdaystring isEqualToString:today] ? '*' : ' ', 			// Check if persons birthday is today and mark it
				[person valueForProperty:kABFirstNameProperty] == NULL ? @"" : [person valueForProperty:kABFirstNameProperty],
				[person valueForProperty:kABLastNameProperty] == NULL ? @"" : [person valueForProperty:kABLastNameProperty],
				[bdaystring isEqualToString:today] ? '*' : ' ' 				// Check if persons birthday is today and mark it
				]];
		myc++;
	}
	
	// Sort the person array with a simple Bubblesort
	NSString *tmp;		
	for (i=[birthdayArray count]; i>=0; i--)
		for (j=1; j<i; j++) 
			if(strcmp([[birthdayArray objectAtIndex:j-1] cString],[[birthdayArray objectAtIndex:j] cString])>0) {
				tmp = [birthdayArray objectAtIndex:j-1];
				[birthdayArray replaceObjectAtIndex:j-1 withObject:[birthdayArray objectAtIndex:j]];
				[birthdayArray replaceObjectAtIndex:j withObject:tmp];
			}
	
	// Remove first three chars, which we used to sort the array
	for (i=1; i<[birthdayArray count]; i++) 
		if([(NSString *)[birthdayArray objectAtIndex:i] length] >3) 
			[birthdayArray replaceObjectAtIndex:i withObject:[[birthdayArray objectAtIndex:i] substringFromIndex:3]];

	//for (i=[birthdayArray count]-1;i>=personCount+1;i--) [birthdayArray removeObjectAtIndex:i]; // Remove not needed persons
	
	if(myc>personCount) myc=personCount;
	for(i=1;i<=myc;i++) printf("%s\n",[[birthdayArray objectAtIndex:i] UTF8String]);  // Display Person
	
	// clean up
	[pool release];
    return 0;
}