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Full Discussion: 3 files in one awk one liner
Top Forums Shell Programming and Scripting 3 files in one awk one liner Post 302291037 by kishal on Tuesday 24th of February 2009 03:35:04 PM
Old 02-24-2009
thanks cherry. that works perfectly.

but, if you could just also tell me why this awk code is showing wrong message, that will help me further.

nawk 'BEGIN{ FS="|";c=0;d=0} NR==FNR{f1[$2]=$5;c++;next} NR==FNR+c {f2[$2]=$0;d++} NR==FNR+c+d{ e=f1[$4]; print ,( $4 in
f1?$4 ,( e in f2?" ok ":e" misses2 ") ) :$4" misses1 " }END {}' B C A

When $4 is not present in f1 , should this not directly print $4 misses1 rather than printing misses2.?
 

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END(7)							  PostgreSQL 9.2.7 Documentation						    END(7)

NAME
END - commit the current transaction SYNOPSIS
END [ WORK | TRANSACTION ] DESCRIPTION
END commits the current transaction. All changes made by the transaction become visible to others and are guaranteed to be durable if a crash occurs. This command is a PostgreSQL extension that is equivalent to COMMIT(7). PARAMETERS
WORK, TRANSACTION Optional key words. They have no effect. NOTES
Use ROLLBACK(7) to abort a transaction. Issuing END when not inside a transaction does no harm, but it will provoke a warning message. EXAMPLES
To commit the current transaction and make all changes permanent: END; COMPATIBILITY
END is a PostgreSQL extension that provides functionality equivalent to COMMIT(7), which is specified in the SQL standard. SEE ALSO
BEGIN(7), COMMIT(7), ROLLBACK(7) PostgreSQL 9.2.7 2014-02-17 END(7)
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