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How to search Multiple patterns in unix

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# 1  
Old 02-23-2012
How to search Multiple patterns in unix
Hi,

I tried to search multiple pattern using awk


Code:
 
trans=1234
reason=LN MISMATCH
 
rec=`awk '/$trans/ && /'"$reason"'/' file`

whenevr i tried to run on command promt it is executing but when i tried to implment same logic in shell script,it is failing i.e $rec is empty

cam someone help me on this, to understand logic
# 2  
Old 02-23-2012
Code:
grep "${trans}.*${reason}" file

This User Gave Thanks to balajesuri For This Post:
ns64110
# 3  
Old 02-23-2012
Try:
Code:
rec=$(awk "/$trans/ && /$reason/" file)

This User Gave Thanks to Scrutinizer For This Post:
ns64110
# 4  
Old 02-23-2012
egrep or grep with an 'e' switch can also serve your purpose .

Code:
grep -e $trans -e $reason file

OR

Code:
egrep ($trans| $reason) file

This User Gave Thanks to codemaniac For This Post:
ns64110
# 5  
Old 02-23-2012
@codemaniac, but that is OR instead of AND
# 6  
Old 02-23-2012
Quote:
Originally Posted by Scrutinizer
Try:
Code:
rec=$(awk "/$trans/ && /$reason/" file)

i tried it working but how can i pass
reason=Name/Number Mismatch

awk: syntax error near line 1
awk: bailing out near line 1

giving me above error
# 7  
Old 02-23-2012
Try:
Code:
rec=$(/usr/xpg4/bin/awk "/$trans/ && /$reason/" file)

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