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Editorial Team
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Asked: 2026-05-11T21:10:05+00:00

I’m trying to load a file into a string. Here is the code I’m

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I’m trying to load a file into a string. Here is the code I’m using:

NSError *error = nil;
NSString *fullPath = [[NSBundle mainBundle] pathForResource:filename 
                                                     ofType:@"html"];
NSString *text = [NSString stringWithContentsOfFile:fullPath 
                                           encoding:NSUTF8StringEncoding 
                                              error:&error];

When passed in @”about” as the filename, it works absolutely fine, showing the code works.
When passed in @”eula” as the filename, it fails with ‘Cocoa error 258’, which translates to NSFileReadInvalidFileNameError. However, if I swap the contents of the files over but keep the names the same, the other file fails proving there is nothing wrong with the filename, it’s something to do with the content.

The about file is fairly simple HTML but the eula file is a massive mess exported from Word by the legal department.

Does anyone know of anything inside a HTML file that could cause this error to be raised?

Much thanks,

Sam

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1 Answer

  1. Editorial Team

    The error is almost certainly that your file is not in UTF-8, but you’re right, that does sound like a bug in the error report.

    Open the eula file up with BBEdit (or the free TextWrangler) and see what encoding it uses. Change the encoding to UTF-8 and save it. Diff the two files to see what differences have appeared. Replace the original file with the new one (fixing any glitches).

    If that resolves the problem, then use the Apple Bug Reporter to report the bug in the error report.

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