cat $exec_dir/params_BSpline.txt | sed -e "s+<NbIterations>+$nb_iter+" \
-e "s+<LabelsFile>++" \
-e "s+<HistBins>+$hist_bins+" \
-e "s+<Levels>+$nb_levels+" \
-e "s+<NbSamples>+$nb_samples+" \
-e "s+<SamplerType>+$sampling_algo+" \
cat $exec_dir/params_BSpline.txt | sed -e "s+<NbIterations>+$nb_iter+" \
-e "s+<LabelsFile>++" \
-e "s+<HistBins>+$hist_bins+" \
-e "s+<Levels>+$nb_levels+" \
-e "s+<NbSamples>+$nb_samples+" \
-e "s+<SamplerType>+$sampling_algo+" \