Instead of -ws <ws_files:if>... ,    list of WS files. have you tried: -ws <ws_file> [repeatable] (untested)?

Of course your actual usage syntax would change to -ws file1.ws -ws file2.ws and so on.

In reply to Re: Getopt::Declare: multiple option lists require terminators? by MonkE
in thread Getopt::Declare: multiple option lists require terminators? by QM

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