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Ho can i grep for yestdarday's data in unix

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# 1  
Old 07-24-2009
Ho can i grep for yestdarday's data in unix
I have the date field in my log file in the format shown below..

(07/23/2009 03:54:02.107)aaaaaa bbbbbb

I want to grep for month/date(7/23) field of yestdarday's data.
found the below command in this forum which is not working in my SUN Solaris box.
date -d "yesterday" +"%d %b %Y"

Please suggest me any other alternatives...
# 2  
Old 07-24-2009
try grep '/07/23/' > results.txt
# 3  
Old 07-24-2009
Yesterdays date
try this for yesterdays date::

yesterday=`TZ=CST+24 date`
echo $yesterday
# 4  
Old 07-27-2009
Thanks a lot PRKS...It worked perfectly.
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