Shell Programming and Scripting

#!/usr/bin/ksh
while IFS="_ " read LUSER LDATE
do
  if [ $(( $(date +%s) - $(date +%s -d"${LDATE:2:2}/${LDATE:0:2}/${LDATE: -4}") )) -ge 4320000 ]
  then
    echo "$LUSER,  $LDATE"
    grep -v "$LUSER" test > test.new && mv test.new test
  fi
done < test

 /dbashare/ToolBox/UserTermination/MonthlyDeletionoracle@11204_home>./remove.ksh
./remove.ksh[9]: : bad substitution
./remove.ksh[9]:  1468262786 -  : unexpected `end of expression'
 /dbashare/ToolBox/UserTermination/MonthlyDeletionoracle@11204_home>

#!/usr/bin/ksh

#!/bin/ksh
echo
cat test |
while IFS="_ " read LUSER LDATE
do
        Day=`echo $LDATE | cut -c1,2`
        Mon=`echo $LDATE | cut -c3,4`
        Year=`echo $LDATE | cut -c5-8`
        Date=`echo $Mon/$Day/$Year`
        if [[ $(( $(date +%s) - $(date +%s -d${Date}) )) -ge 4320000 ]] ; then
        #echo "$LUSER, $LDATE"i
        echo "$LUSER" >> userRemovalList
        grep -v "$LUSER" test > temp && mv temp test
        fi
done
chmod 755 userRemovalList

#!/bin/ksh

TSEC=$(date +%s)
while read LINE
do
   LDATE=${LINE#*_}
   YEAR=${LDATE#????}
   MDAY=${LDATE%????}
   DAY=${MDAY%??}
   MON=${MDAY#??}
   [[ $(( TSEC - $(date -d $MON/$DAY/$YEAR +%s) )) -lt 4320000 ]] &&
      echo "$LINE"
done < test > test.$$
mv test.$$ test