osx - How to stop xcode debugger from mangling filesystem NSURLs on OS X? -

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i trying write mac app converts files. stuck @ beginning because app cannot open local files, @ least while running in debugger. use nsopenpanel create valid file nsurl:

“file:///volumes/seagate_1tib/projects/dataskunk/wasteproduct.xml”

but somewhere in xcode, or debugger or whatever, gets mangled into

"/users/charlweed/library/developer/xcode/deriveddata/dataskunk-ghkiumvdkopxarhavynetidlqxio/build/products/debug/file:/volumes/bigdrive/dataskunk/wasteproduct.xml"

reading file fails "no such file or directory error".

how prevent mangling during development?

for example, gives error, no matter file chosen:

let fileresult = openfiledialog("choose file", message:"message") let xmlinfileurlopt: nsurl? = nsurl.fileurlwithpath(fileresult) if let xmlinfileurl = xmlinfileurlopt   {     var xmlfileerror: nserror?           if !xmlinfileurl.checkpromiseditemisreachableandreturnerror(&xmlfileerror){         println("\(xmlfileerror)")         return     } }

the answer nsurl.fileurlwithpath() not take url-path argument, filesystem-path. "file:///volumes/disk/file.xml" wrong, "/volumes/disk/file.xml" correct.

the mangling nsurl prefixing current directory onto thinks relative filesystem-path string.


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