Thank you so much for your help. In my code I use .pm this way:

 use runner_libs::CodesModule qw(exit_gracefully subprogram_runner warning_or_failure open_or_fail error_display cal_time start_time end_time trim CheckError);

And the .pm exports this way: 

 package CodesModule;
use Exporter 'import';
@EXPORT_OK = qw(exit_gracefully subprogram_runner warning_or_failure o
+pen_or_fail error_display cal_time start_time end_time trim CheckErro
+r);

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In reply to Re^4: Using Multiple Modules by hmeharward
in thread Using Multiple Modules by hmeharward

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