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  1. #include <fstream>
  2. #include <optional>
  3. #include <sstream>
  4. #include <string>
  5. #include <vector>
  6.  
  7. #include "/Users/me/Applications/fmt/include/fmt/core.h"
  8.  
  9.  
  10. constexpr std::size_t minfields{33};
  11.  
  12. std::optional<std::vector<std::string>> splitStr(const std::string &line,
  13.                                                  const char delimiter = ',')
  14. {
  15.   std::vector<std::string> splitLine;
  16.   splitLine.reserve(minfields);
  17.   std::istringstream ss(line);
  18.   std::string buf;
  19.   unsigned field{0};
  20.   while (std::getline(ss, buf, delimiter)) {
  21.     splitLine.push_back(buf);
  22.     if (field == 3 && buf[0] != 'E' && buf[0] != 'T') {
  23.       return std::nullopt;
  24.     }
  25.     ++field;
  26.   }
  27.   if (splitLine.size() < minfields)
  28.     return std::nullopt;
  29.   return splitLine;
  30. }
  31.  
  32. void copy_selective(std::istream &in, FILE *out)
  33. {
  34.   std::string line;
  35.   while (std::getline(in, line)) {
  36.     auto split = splitStr(line, ';');
  37.     if (split) {
  38.       const std::vector<std::string> &vec = split.value();
  39.       fmt::print(out,
  40.                  "{},{},{},{},{},{},{},{},{},{},{}\n",
  41.                  vec[0],
  42.                  vec[1],
  43.                  vec[3],
  44.                  vec[4],
  45.                  vec[5],
  46.                  vec[6],
  47.                  vec[10],
  48.                  vec[9],
  49.                  vec[11],
  50.                  vec[7],
  51.                  vec[32]);
  52.     }
  53.   }
  54. }
  55.  
  56. int main(int argc, char *argv[])
  57. {
  58.   if (argc >= 3) {
  59.     std::ifstream inFile(argv[1]);
  60.     FILE *outFile{fopen(argv[2], "w")};
  61.     copy_selective(inFile, outFile);
  62.   }
  63. }
  64.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:7:10: fatal error: /Users/me/Applications/fmt/include/fmt/core.h: No such file or directory
 #include "/Users/me/Applications/fmt/include/fmt/core.h"
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/siFp3A
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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