Python's os.path.join, for Objective-C

join.m

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

@interface NSString (Paths)
+ (NSString *)stringByJoiningPathComponents:(NSString *)part, ...;
@end

@implementation NSString (Paths)
+ (NSString *)stringByJoiningPathComponents:(NSString *)part, ...
{
    NSString *path = [NSString stringWithString:part];
    NSString *newPart = nil;
    
    va_list args;
    va_start(args, part);
    while ((newPart = va_arg(args, NSString *)) != nil) {
        path = [newPart isAbsolutePath] ? [NSString stringWithString:newPart] : [path stringByAppendingPathComponent:newPart];
    }
    va_end(args);
    
    return path;
}
@end

int main(int argc, char **argv)
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSString *path = [NSString stringByJoiningPathComponents:@"/", @"tmp", @"static", @"nybooks.com", nil];
    NSLog(@"%@", path);
    [pool release];
    return 0;
}

Thanks! I made that modification.