Change NSURL base url to another base URL?

NSURL objects are immutable so there is no way to change the base URL after creating it. Your best bet is creating a new NSURL instance with URLWithString:relativeToURL: . However, I still think what you want will not work.

The docs for -NSURL relativePath state that if the receiver is an absolute URL (which your example is), this method returns the same value as path .

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I have a NSURL to a local file with no base url. I want to change the base URL to another local directory, with the relative path being in respect to that URL. For example NSURL *path = NSURL fileURLWithPath: @"/Users/username/Desktop/Photos/Photo1.

Jpg"; Now, say I want to change the base part to /Users/username/Desktop/SomeFolder, then I would want the NSString returned by path relativePath; to be "../Photos/Photo1. Jpg" Is there an easy way to do this? I can't seem to find any NSURL methods that do this.

I could go through the path components of the new base and old absolute paths to construct the relative part my self, but is there an easier way? Objective-c cocoa nsurl link|improve this question asked Nov 25 '09 at 19:34David Brown3,0211313 100% accept rate.

NSURL objects are immutable so there is no way to change the base URL after creating it. Your best bet is creating a new NSURL instance with URLWithString:relativeToURL:. However, I still think what you want will not work.

The docs for -NSURL relativePath state that if the receiver is an absolute URL (which your example is), this method returns the same value as path.

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