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How to delete selected string from a file?

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# 1  
Old 09-21-2010
How to delete selected string from a file?
awk '!(/^$/||/--/||/selected/||/^ *$/){print "A." $1 " <> B." $1 " or"}' infile

my AWK out put is :

A.KZ <> B.KZ or
A.KZT <> B.KZT or
A.KZ_Z <> B.KZ_Z or
A.LH <> B.LH or
A.MAN<> B.MAN or
A.OBJEKT <> B.OBJECT or
A.PAK <> B.PAK ;

is there any way to controle AWK to not print the below 2 lines ;
A.LH <> B.LH or
A.MAN<> B.MAN or
kanakaraju
# 2  
Old 09-21-2010
try this,

Code:
awk '!(/^$/||/--/||/selected/||/^ *$/) {if ($1 != "LH" || $1 != "MAN") {print "A." $1 " <> B." $1 " or"}}' infile

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