안녕하십니까?
 스크립트를 짜다가 막히는 부분이 있어서 이렇게 질문을 합니다.
아래에 보이는 스크립트는 로그인과 로그아웃을 자동으로 감지해서 화면에
아이디와 터미널, 그리고 시간을 표시해주는 스크립트입니다. 다른부분은
다 잘 되는데 가장 중요한 로그인과 로그아웃부분에 표시가 안되네요.
무엇이 문제인지...
 혹시 아시는분은 답변주시면 감사하겠습니다.
 # This script was made by Soonchul Kwon (skwon01).
# The name of this script is wd.
#
# This script checks users who log in and log out every
# ten second and displays updated status which include
# users' names, Terminals, and Time.
 #!/bin/ksh
. .ksh_lib
 clear
BBLUE ; BOX 1 1 20 39 .  ; RESET
BBLUE ; BOX 1 41 20 79 . ; RESET
BBLUE ; BOX 22 1 24 79 . ; RESET
LOCATE 2 14 ; BRED    ; echo "Log In Window" ; RESET
LOCATE 2 53 ; BRED    ; echo "Log Out Window" ; RESET
LOCATE 4 2  ; BCYAN   ; echo "Name     Terminal     Time           "
LOCATE 4 42 ; BCYAN   ; echo "Name     Terminal     Time           "
LOCATE 23 2 ; BRED    ; echo "Number of Users : " ; RESET
 pos1=5
pos2=5
blk="                                     "
name=`cat .hid | awk -F"|" '{print $2}'`
terminal=`cat .hid | awk -F"|" '{print $3}'`
time1=`cat .hid | awk -F"|" '{print $6,$7,$8}'`
time2=`cat .hid | awk -F"|" '{print $6,$7,$8,$9,$10}'`
reform=`cat .diff_file | tr -s ' ' '|'`
comp1=`cut -c1 .hid`
comp2=`awk -F"|" '{print $11}' .hid`
comp3=`awk -F"|" '{print $9}' .hid`
 last -100 -R > info1
while true ; do
   sleep 10
   last -100 -R > info2
   number_users=`who | cut -c1-8 | sort -u | wc -l`
   diff info1 info2 > $HOME/.diff_file
   if [ -s $HOME/.diff_file ] ; then
      for mark in $reform ; do
      echo $mark > $HOME/.hid
      if [ $comp1 = ">" -a $comp2 = "logged" ] ; then # <= 요부분이 문제인것 같은데...
         if [ $pos1 -ne 15 ] ; then
            LOCATE pos1 2 ; FYELLOW ; echo "$name    $terminal  $time1" ; RESET
            (( pos1 = pos1 + 1 ))
         else
            ere=5
            while [ $ere -eq 16 ] ; do
                LOCATE $ere 2 echo $blk
                (( ere = ere + 1 ))
            done
            pos1=5
         fi
      else
         if [ $comp3 = "-" -a $comp1 = ">" ] ; then # <= 요부분도 이상한 것 같고...
            if [ $pos2 -ne 15 ] ; then
               LOCATE $pos2 42;FYELLOW;echo "$name    $terminal  $time2";RESET
               (( pos2 += 1 ))
            else
               ere=5
               while [ $ere -eq 16 ] ; do
                   LOCATE $ere 2 echo $blk
                   (( ere += 1 ))
               done
               pos2=5
            fi
         fi
      fi
      done
   fi
   cp /dev/null .diff_file
   cp info2 info1
   LOCATE 23 20 ; BYELLOW ; echo $number_users ; RESET
done
 #############################.ksh_lib###########################
 ####################################aliases###################################
alias -x CLS='printf      "33[2J" ;printf "33[%d;%dH" 1 1'
alias -x BOLD='printf     "33[1m"'
alias -x BLINK='pr
intf    "33[5m"'
alias -x REVERSE='printf  "33[30m" ;printf "33[47m"' #black & white
alias -x REVERSE1='printf "3
3[7m"'                     #color
alias -x ITALICS='printf  "33[2m"'
alias -x RESET='printf    "33[0m"'
a
lias -x INVIS='printf    "33[8m"'
#******************** ForGround Colors ***********************
alias -x FBLACK='pri
ntf   "33[30m"'
alias -x FRED='printf     "33[31m"'
alias -x FGREEN='printf   "33[32m"'
alias -x FYELLOW='printf
  "33[33m"'
alias -x FBLUE='printf    "33[34m"'
alias -x FMAGENTA='printf "33[35m"'
alias -x FCYAN='printf    "
33[36m"'
alias -x FWHITE='printf   "33[37m"'
#******************** BackGround Colors ***********************
alias -x 
BBLACK='printf   "33[40m"'
alias -x BRED='printf     "33[41m"'
alias -x BGREEN='printf   "33[42m"'
alias -x BYELL
OW='printf  "33[43m"'
alias -x BBLUE='printf    "33[44m"'
alias -x BMAGENTA='printf "33[45m"'
alias -x BCYAN='prin
tf    "33[46m"'
alias -x BWHITE='printf   "33[47m"'