Shell Programming and Scripting

#!/bin/ksh
###########################################################
LOGDIR=/export/home/xyz/logs
EMAILFile=$LOGDIR/xxs_email.log
BOX=$(uname -a | awk '{print $2}')

awk '{if ($4 >= 30) {print $1 " " $3 " HAS LAG of " $4 " min -- at --  " d "\n" > "$LOGDIR/xxs_email.log" } e
lse {print "NO LAG FOUND for " $3" " d > "`$EMAILFile`" } }' "d=$(date)" $LOGDIR/xxs_2.log

awk '{if ($4 >= 30) 
             print $1 " " $3 " HAS LAG of " $4 " min -- at --  " d "\n"
      else   print "NO LAG FOUND for " $3 " " d
     }' d="$(date)" $LOGDIR/xxs_2.log > $LOGDIR/xxs_email.log