Converting from full path to tilde path for pushing JSX from Cocoa?

Question

I have a need to convert from a full path starting with /Users/username/file.ext to a tilde path ~/file.ext. I see lots of ways built into NSString and NSURL that go from tilde to full but not the other way around. While I could go the route of using NSHomeDirectory() and replacing within the path string, I was hoping for a way baked into Cocoa for handling this should things change.

The reason why I need this is because I am pushing Adobe JSX scripts from a Cocoa app. The Cocoa app gathers all the data needed for the script and pushes the data as arguments to the script. The File class appears to require tilde-based paths (but not the Folder class which is odd), but I cannot find anything definitive in their own documentation and am going by my own observations. Full paths fail while tilde paths do not.

I didn't think so either, at least none that I could find in Apple's docs, but I wanted to be sure I covered everything before definitively concluding so. — Philip Regan, Jun 12 '13 at 15:00

score 0 · Answer 1 · answered Feb 15 '19 at 11:09

I know this question is old, but here is the answer:

let path:NSString // a file path
let pathWithTilde = path.abbreviatingWithTildeInPath

https://developer.apple.com/documentation/foundation/nsstring/1407943-abbreviatingwithtildeinpath

This method is available since macOS 10.0.

Converting from full path to tilde path for pushing JSX from Cocoa?

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