#! /bin/csh
# get the number of different [users@domain] you have...
# 93 -- by DL - v1.2
# usage : countdusers userlogfile , or cat userlogfile | countdusers
sed -e s/~// -e s/\#// $1 | awk '{logid=$8; pa=index(logid,"@"); pp=index(logid,"."); print substr(logid,1,pa) "*" substr(logid,pp,length(logid)-pp) }' | sort -uf |wc -l
