#import <Foundation/Foundation.h>

const int ONE_HALF_GIG = 512*1024*1024;
const int NUM_FILES = 4;

int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
 NSMutableData *contents = [NSMutableData dataWithCapacity:ONE_HALF_GIG];
 unsigned int i;
 
 if (argc != 2)
 {
  NSLog(@"Need to specify a pathname as the sole argument.\n");
 }
 
 else
 {
  for (i = 0; i < (ONE_HALF_GIG/(sizeof(int)))-1; i++)
  {
   [contents appendBytes:&i length:(sizeof(int))];
  }
  
  NSLog(@"Writing files\n");
  
  for (i = 0; i < NUM_FILES; i++)
  {
   NSString *path = [[NSMutableString alloc]
    initWithFormat:@"%s-%u.dat", argv[1], i];
   [[NSFileManager defaultManager]
    createFileAtPath:path contents:contents attributes:nil];
  }
  NSLog(@"Done writing files\n");
 }
    [pool release];
    return 0;
}

¶ 11:16 PM