Question: Regarding data files 1 . What could go wrong when opening a file, presumably to write, under Unix? I If we call it ofs, thus

Regarding data files
1. What could go wrong when opening a file, presumably to write, under Unix? I If we call it ofs, thus we are using ofs.open() or declaring it as ofstream ofs {name}
2. How much control do we have over writing multiple fields (columns) per row of output?

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