going from the merged bam to original bam files

Question

[rsafavi]

I had 3 replicated bam files, and I merged them. I wanted to see if there is a way to reverse this (going from the merged to original bam files)?

[WouterDeCoster]

Did you set read groups (RG) before merging? If so yes you can search for "split bam by read group", else no.