JSortHeaders.cc

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#include <unistd.h>
#include <iostream>
#include <iomanip>
#include <string>
 
#include "km3net-dataformat/offline/Head.hh"
 
#include "Jeep/JPrint.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
#include "JSupport/JSupport.hh"
#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JEvtWeightFileScannerSet.hh"
 
#include "JAAnet/JHead.hh"
 
 
/**
 * \file
 * Example program for sorting Monte-Carlo files with compatible headers.
 *
 * \author bjung
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
 
  JMultipleFileScanner_t  inputFiles;
 
  string                  outputFile;
  char                    wildcard;
 
  int                     debug;
 
  try {
    
    JParser<> zap;
    
    zap['f'] = make_field(inputFiles);
    zap['o'] = make_field(outputFile)         = "";
    zap['w'] = make_field(wildcard)           = '%';
    zap['d'] = make_field(debug)              = 1;
 
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }
 
 
  const size_t pos = outputFile.find(wildcard);
  
  if (!outputFile.empty() && pos == string::npos) {
    FATAL("Valid wildcard must be specified (<" << outputFile << "> does not contain \'" << wildcard << "\').");
  }
 
 
  JEvtWeightFileScannerSet<> scanners(inputFiles);
 
  const size_t Ndigits = to_string(scanners.size()).size();  
  
  for (JEvtWeightFileScannerSet<>::iterator scanner = scanners.begin(); scanner != scanners.end(); ++scanner) {
 
    const size_t n = distance(scanners.begin(), scanner);
 
    const JMultipleFileScanner_t& filelist = scanner->getFilelist();
 
    NOTICE("Header type " << n << ":"   << endl);
    DEBUG (endl << scanner->getHeader() << endl);
    NOTICE("========================"   << endl <<
           filelist                     <<
           "========================"   << endl << endl);
 
    if (!outputFile.empty()) {
 
      const string filename = string(outputFile).replace(pos, 1, MAKE_STRING(setfill('0') << setw(Ndigits) << n));
 
      ofstream ofs(filename);
      
      ofs << filelist;
 
      ofs.close();
    }
  }
  
  return 0;
}