man cdbstats (Commandes) - print constant database statistics
NAME
cdbstats - print constant database statistics
SYNOPSIS
cdbstats
DESCRIPTION
cdbstats reads a (seekable) constant database from its standard input and prints a few statistics:
* records is the number of records in the database, * d0 is the number of records at distance 0 from their hash, * d1 is the number of records at distance 1 from their hash, etc.