#!/bin/sh -
# Checklog script 
# Omer Rana 
# copyright : University of Wales, Cardiff
 
logs=/home/scmofr/public_html/os/access-file
number=1
refdir=`pwd`
 
# Does the log file exist
if [ ! -f $logs ]; then
  echo "Log file does not exist"
  exit 1
fi
 
# ----------------------------------------
# What does the user want 
 
if [ "$1" = "hosts" ]; then
 grep "$2" $logs | awk '{print $1}' | uniq > templist
 
 lines=`wc templist | awk '{print $1}'`
 while [ "$number" -le "$lines" ]
  do
   hostip=`sed -n "$number p" templist`
   `nslookup -sil "$hostip" | grep -i "name" | awk '{print $4}' >> lookup` 
   number=`expr $number + 1`
 done 
 
 echo " "
 echo " Host IP Address "
 echo " --------------- "
 
 paste templist lookup
 rm lookup
 rm templist
 exit 1
fi
 
# --------------------------------------
 
if [ "$1" = "full" ]; then
 grep "$2" $logs | uniq | more
 exit 1 
fi
 
# --------------------------------------
# Otherwise
 
echo "usage: checklog [hosts|full] User_Name"