How to test if a file exists

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Imagine we had a file that we’ve saved:

NSString *myFile = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/myFile.txt"];

Before accessing it we can determine if it exists or not:

BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:[NSHomeDirectory()stringByAppendingPathComponent:myFile]];

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