get_file_metadata.C

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// macro for obtaining file metadata by its LFN
#ifndef __CLING__
#include "../FileCatalogue.cxx"
#include "../FileCatalogue.h"
using namespace std;
#endif
 
void get_file_metadata(TString lfn = "/bmn.nica.jinr/exp/raw/run9/run_Top_9639_ev0_p24.data")
{
    // create File Catalogue interface
    FileCatalogue FC;
 
    FileInfo file_metadata;
 
    // call GetFileInfo function and pass LFN to it
    int res = FC.GetFileInfo(lfn.Data(), file_metadata);
 
    // print file metadata if found for the LFN
    if (res)
        cout << "Error: " << GetErrorString(-res) << endl;
    else
        file_metadata.Print();
}