possibly has nothing to do with your problem, but this 
if($filename){

[download]
only checks for "not-emptyness" of the filename.
You probably intended one of the -X functions (probably one or more of -e -r -f -s -T).

From the rest of the discussion, my guess is that the problem is in fact the encoding of the filename, as our Anonymous brother seems to hint …

In reply to Re: use sqlldr with perl by soonix
in thread use sqlldr with perl by gary16

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