runMapMaker.C

#include <map>
#include <unordered_map>
#include <vector>

map<int, bool> runNumbers;

vector<int> runNumbersInFile( string fn ) {
	TFile * f = new TFile( fn.c_str(), "READ" );
	TTreeReader reader( "tof", f );

	TTreeReaderValue<Int_t> runId( reader, "run" );

	unordered_map< Int_t, bool > unqRuns;

	while( reader.Next() ) {
		unqRuns[ *runId ] = true;
	}

	f->Close();

	vector<int> runNums;
	for ( auto kv : unqRuns ){
		runNums.push_back( kv.first );
	}


	return runNums;
}

void runMapMaker( string filelist = "filelist_period1.lis" ){
	
	ifstream inf( filelist.c_str() );
	std::string line ="";

	while( getline( inf, line ) ){
		// cout << "filename : " << line << endl;
		vector<int> rns = runNumbersInFile( line );
		for ( int rn : rns ){
			runNumbers[ rn ] = true;
		}
	}


	int iRun = 0;
	for ( auto kv : runNumbers ){
		cout << "runMap[ " << kv.first << " ] = " << iRun << ";" << endl;
		iRun++;
	}

}