extractEvt.cpp File Reference

#include "merge/extractEvt.C"
#include <stdexcept>
#include <cstdlib>

Include dependency graph for extractEvt.cpp:

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Functions
int	main (int argc, char **argv)

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 17 of file extractEvt.cpp.

                                {
  string input;
  string output;
  int evt_num = -1;
  for(int i=1; i < argc; ++i) {
    if ( *argv[i] == '-' ) {
      switch(::toupper(*(argv[i]+1))) {
      case 'E':
    if ( 1 != ::sscanf(argv[i+1],"%d",&evt_num) )  {
      ::printf("\nERROR: No valid event identifier given.\n\n");
      return usage();
    }
    ++i;
    break;
      case 'O':
    if ( i+1 < argc ) output = argv[i+1];
    ++i;
    break;
      case 'I':
    if ( i+1 < argc ) input = argv[i+1];
    ++i;
    break;
      default:
    return usage();
      }
    }
  }
  if ( input.empty() ) {
    ::printf("\nERROR: No input file(s) supplied\n\n");
    return usage();
  }
  else if ( output.empty() ) {
    ::printf("\nERROR: No output file supplied.\n\n");
    return usage();
  }
  else if ( evt_num < 0 )  { 
    ::printf("\nERROR: No valid event identifier given.\n\n");
    return usage();
  }
  gROOT->SetBatch(kTRUE);
  try {
    if ( extract_event(input.c_str(),output.c_str(),evt_num) != EXTRACT_SUCCESS ) {
      ::printf("\nERROR: Event extraction from file %s failed.\n",input.c_str());
      return 1;
    }
    return 0;
  }
  catch (const std::exception& e)  {
    ::printf("\nERROR: Event extraction from file %s failed [%s]\n",input.c_str(),e.what());
  }
  catch( ... )  {
    ::printf("\nERROR: Event extraction from file %s failed [unknown reason]\n",input.c_str());
  }
  return 1;
}