I needed to have the file name as read by listDir to be what is used during the renaming. To test if the concept worked I stripped the directory of all but your script. I then created two globals, $global_file_name and $new_name. Your code created I-unicode heart-Perl. When listDir read in the file name I saved it in $global_file_name. Just prior to the rename I saved $global_file_name into $new_name. Just before the rename line I did
$new_name =~ s![^
:ascii:]!!ig;
I then changed the rename line to
rename $global_file_name, $new_name;
It worked. I now know I can use this concept to strip out the unicode from a large number of files. Thank you very much for your help
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