Shell Programming and Scripting

#!/bin/ksh
BIN=/usr/lbin
LOCAL_FILE=`$BIN/lpstat -v > sun5-printers.txt`
REMOTE_FILE=`rsh sun8 /usr/lbin/lpstat -v > sun8-printers.txt`
#DIFF_FILE=/usr/local/bin/diffs.txt
 
awk 'NR==FNR{ arr[$3]=$0; next} $3 in arr { delete arr[$3]; next} { print } END {
 for (i in arr) print arr[i] }' sun5-printers.txt sun8-printers.txt > diffs.txt
 
LINE='device for 0101a01: lpd://172.25.41.111:515'
while read LINE
do
  prt=`echo $LINE | awk '{print $3 }'| cut -c 1-7`
    echo $prt
  drv=`echo $LINE | awk -F":" '{print $2}'`
    echo $drv
  IP=`echo $LINE | awk -F"/" '{print $3}' | cut -d":" -f1`
    echo $IP
  port=`echo $LINE | awk -F":" '{print $4}'`
    echo $port
#Delete or Create Printer
   [ -z "${prt}" ] && continue
   echo "\n\t Deleting printer ${prt} !!!"
   if ! $BIN/lpadmin -x ${prt} 2> /dev/null
   then
       echo " Failed to delete printer !!"
       continue
   fi
   echo "Printer ${prt} DELETED!"
   echo "Adding Printer $prt !!!!"
   if ! $BIN/lpadmin -p ${prt} -E -v ${drv}://${IP}:${port}
   then
       echo "Failed to add printers !!!"
       continue
   fi
   echo "\n\t Printer $prt:$drv://$IP:$port created"
done < diffs.txt