Question

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[])
{

    @autoreleasepool {

        NSArray *array = [[NSArray alloc] initWithObjects:@"/tmp/1.txt" ,@"/tmp/2.txt", nil];
        NSLog(@"%@", array);
        NSString *result = [[NSString alloc] init];
        NSArray *array2 = [[NSArray alloc]initWithArray:[result stringsByAppendingPaths:array]];
        NSLog(@"%@", array2);
    }
    return 0;
    }

The argument we provide to stringsByAppendingPaths: is an array and so is the return type. So what is the use of this NSString method?

Answer 1

Well, you’re appending empty string (result), so it doesn’t make much sense. But if your receiver contains say /tmp and the array contains 1.txt and 2.txt, getting the array /tmp/1.txt and /tmp/2.txt makes sense.