Safari history cleaner written in Objective C 2.0

historyclean.m

/* Safari History.plist cleaner
 * compile with:
 * gcc historyclean.m -o historyclean
 */

#import <Foundation/Foundation.h>

int main(int argc, char *argv[]) {
    if (argc != 3) {
        fprintf(stderr,
                "Usage:\n"
                "\t %s [history] [keyword]\n\n"
                "example: %s ~/Library/Safari/History.plist google\n"
                "\t removes all URLs containing google from the history\n",
                argv[0], argv[0]);
        return 1;
    }

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    NSString *path = [NSString stringWithUTF8String:argv[1]];
    NSString *arg  = [NSString stringWithUTF8String:argv[2]];

    NSData *plistData = [NSData dataWithContentsOfFile:path];
    NSPropertyListFormat format;

    NSMutableArray *plist = [NSPropertyListSerialization
                             propertyListFromData:plistData
                             mutabilityOption:NSPropertyListMutableContainers
                             format:&format
                             errorDescription:nil];

    NSMutableArray *filtered = [[NSMutableArray alloc] init];
    NSArray *webHistoryDates = [plist valueForKey:@"WebHistoryDates"];

    NSUInteger oldentries = [webHistoryDates count];
    fprintf(stderr, "Old size:\t%lu entries\n", oldentries);

    for (NSArray *element in webHistoryDates) {
        if ([[element valueForKey:@""] rangeOfString:arg].location==NSNotFound)
            [filtered addObject:element];
    }

    [plist setValue:filtered forKey:@"WebHistoryDates"];

    plistData = [NSPropertyListSerialization dataFromPropertyList:plist
                                             format:format
                                             errorDescription:nil];

    [plistData writeToFile:path atomically:YES];

    NSUInteger newentries = [filtered count];
    fprintf(stderr, "New size:\t%lu entries\n", newentries);
    fprintf(stderr, "Delta:\t\t-%lu\n", oldentries-newentries);

#ifndef NDEBUG
    [filtered release];
    [pool release];
#endif
    return 0;
}