How to merge multiple samples to get a genotype file ? (Merging root files doesn't work)

[Jerry-Wang-Dog]

When I used
cnvnator -root out.root -merge file1.root file2.root

return this error:
Allocating memory ...
Merging trees for 'chr01' ...
Readng tree chr01 from file 'file1.root' ...
Readng tree chr01 from file 'file2.root' ...
Filling and saving tree for 'chr01' ...
Error in TROOT::WriteTObject: The current directory (root) is not associated with a file. The object (chr01) has not been written.
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[abyzov]

Hi, thanks for interest to CNVnator. The tools is not being maintained anymore and we recommend everyone to switch to CNVpytor https://github.com/abyzovlab/CNVpytor Alexej Abyzov, Ph.D., Consultant Associate Professor of Biomedical Informatics, Department of Quantitative Health Sciences, Center for Individualized Medicine, Mayo Clinic ----------------------------- Mayo Clinic, 200 1st street SW, Harwick 7-91 Rochester, MN 55905 www.abyzovlab.org <http://www.abyzovlab.org>tel: +1-(507)-538-0978 Message ID: ***@***.***>