#!/bin/csh
# generate statistics on birch usage

# Tell number of logins
echo "Number of logins: " `wc -l $1`

#Update the list of BIRCH users
# if the file users exists, then find any new
#users and add to users. If users does not
# exist, create it.
cut -d" " -f1 $1 |sort|uniq >users.temp 
if (-e users) then
  cat users users.temp |sort|uniq >users 
  /usr/bin/rm users.temp
else 
  mv users.temp users
endif

# Number of users
echo "Number of users: " `cat users | wc -l`

# clean up
#/usr/bin/rm *.temp