That if ought not to produce warnings. If $rec->[IMP_WG] or $rec->[CSC_HAN] is undefined, the warning should show the print STDERR line.

Is it possible that you have an elsif clause? Use of an undef value in it will produce a warning giving the line number of the if, since that is the beginning of the statement.

In reply to Re: split, Use of uninitialized value by ysth
in thread split, Use of uninitialized value by Anonymous Monk

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