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)