Hi Alberto, If I understand correctly what you want to do, you can simply use the ofstream class : root [3] ofstream out("out.dat") root [4] out<<"Hello World"<<endl (class ostream)142600348 root [5] out.close() [pccodt16] ~/Src/CoralDST/MDST > cat out.dat Hello World [pccodt16] ~/Src/CoralDST/MDST > If you prefer to use C style I/O root [12] FILE *f = fopen("colin.dat","w") root [13] fprintf(f,"Hello World") (const int)11 root [14] fclose(f) (int)0 root [15] You can do that from a compiled ROOT program too. cheers, Colin On Fri, 26 Jul 2002, Alberto Garcia Raboso wrote: > Hi ROOTers, > > I'd like to write an ASCII file with some data from a ROOT program, and > the simplest way I've found is to write the data to cerr adn then > redirect it to a file. But, how can I do this redirection? I'm running > ROOT 3.03/02 on lxplus at CERN. > > Cheers, > > Alberto >
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