How do I identify what branches exist in CVS?

Question

I have a legacy CVS repository which shall be migrated to Perforce.

For each module, I need to identify what branches exist in that module.

I just want a list of

Answer 1

As a quick hack:) The same stands true for rlog.

cvs log -h | awk -F"[.:]" '/^\t/&&$(NF-1)==0{print $1}' | sort -u

Improved version as per bdevay, hiding irrelevant output and left-aligning the result:

cvs log -h 2>&1 | awk -F"[.:]" '/^\t/&&$(NF-1)==0{print $1}' | awk '{print $1}' | sort -u