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FOR: foreach my $F($DB_PRI{FILE},$DB_OGGI{FILE}) { open(DB,"<$F") || &ERROR('CANNOT OPEN 1325'); while(my $ln = <DB>) { ...
FOR: foreach my $F($DB_PRI{FILE},$DB_OGGI{FILE}) { open(DB,"<$F") || &ERROR('CANNOT OPEN 1325'); my $line = <DB>; # this line frees the following while while(my $ln = <DB>) { ...