Hi,
I tried your code and it is showing the following errors:
Use of uninitialized value in concatenation (.) or string at ./db0.pl line 29.
Use of uninitialized value in concatenation (.) or string at ./db0.pl line 29.
Undefined subroutine &main::remove_tree called at ./db0.pl line 35.
line 29 is : my $directory = "$base_directory/$folder/$subfolder";
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