When a module is used or required, the user (or requirer) is set up as a caller, accessible using caller. You can take advantage of that like so: 

  unless (defined caller) {
    # run as command line script
    ...
  }
  1;

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Hugo

In reply to Re: java/c has main - perl has ? by hv
in thread java/c has main - perl has ? by pmc2

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