The ability to use either a Perl script or a CSV file to manually import Custodians to the Employee List was designed for those environments that do not allow access to the Active Directory from the Clearwell appliance.
Using a Perl script to automate pulling of information from Active Directory straight into the Employee List is not supported.
There are two issues that must be addressed in order to allow Perl script to bulk import into the Employee List:
In the D:\customerScript\bulkImport directory rename the BulkImport folder to bulkImport (Case Sensitive)
Save the script with the extension .pl
.pl is the Perl executable format