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Improve error message for failure when opening CSV #684

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Nov 27, 2023
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4 changes: 2 additions & 2 deletions include/utilities/CSV_Reader.h
Original file line number Diff line number Diff line change
Expand Up @@ -34,8 +34,8 @@ inline std::vector<std::vector<std::string> > CSVReader::getData()
std::ifstream file(fileName);

if(file.fail()){
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/// \todo TODO: Return appropriate error
throw std::runtime_error("Error: Input file " + fileName + " does not exist.");
throw std::runtime_error(
"Errno " + std::to_string(errno) + " (" + strerror(errno) + ") opening " + fileName);
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/// \todo Potentially only output warning and fill array with sentinel values.
}
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