Solaris

#!/bin/ksh
today=`date`
GrepDate=`echo $today | awk '{print $1,$2,$3}'`
echo $GrepDate
output is "Mon Mar 8"

 awk ' { printf "%s %s  %s\n",$1,$2,$3 } '

#!/bin/ksh
today=$(date)
GrepDate=$(echo "$today" | awk '{print $1,$2 "  " $3}')
echo "$GrepDate"

TotalEntry=`cat /d002/oracle/ORAJDETS/dumpb/alert_ORAJDETS.log|wc -l`

echo $TotalEntry
Yesterday=`perl -e 'print localtime(time() - 86400) . "\n" '`
echo $Yesterday
GrepDate=`echo "$Yesterday" | awk '{printf "%s %s  %s\n", $1,$2,$3}'`
echo $GrepDate
PreviousdayEntry=`cat -n /d002/oracle/ORAJDETS/dumpb/alert_ORAJDETS.log |grep '$GrepDate'|head -1 |awk '{print $1}'`
echo $PreviousdayEntry

22059
Mon Mar 8 17:46:33 2010
Mon Mar 8

$ X="1    2 3" 
$ echo $X
1 2 3
$ echo "$X"
1    2 3