Since I do not have your Verilog files, I can not reproduce your problem.

However, when I add the strictures to your code (use warnings; use strict;), I get a warning message: 

Bareword "hier" not allowed while "strict subs" is in use at ...

[download]

Although I doubt this is your problem, try fixing your code like this by adding the single quotes: 

show_hier($cell->submod, $indent." ", 'hier', $cell->name) if $cell->s
+ubmod;

[download]

Is there anything special about the "mymux" module? Is it wrapped inside `celldefine compiler directives, for example?

Since I have never used Verilog::Netlist, I can not offer you more specific information about its usage. You might try browsing (or asking a question on) the CPAN Verilog Discussion forum: http://www.cpanforum.com/dist/Verilog-Perl. It's too bad the module author is not a PerlMonk :)

In reply to Re^3: verilog-perl vhier usage by toolic
in thread verilog-perl vhier usage by Anonymous Monk

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