$ perlcritic -1 critic
Code is not tidy at line 1, column 1.  See page 33 of PBP.  (Severity: 1)
Use Emacs file variables to declare coding style at line 1, column 1.  Emacs can read per-file settings.  (Severity: 2)
RCS keywords $Id$ not found at line 1, column 1.  See page 441 of PBP.  (Severity: 2)
RCS keywords $Revision$, $HeadURL$, $Date$ not found at line 1, column 1.  See page 441 of PBP.  (Severity: 2)
RCS keywords $Revision$, $Source$, $Date$ not found at line 1, column 1.  See page 441 of PBP.  (Severity: 2)
Missing Perl version at line 1, column 1.  Add "use 5.006" or similar.  (Severity: 1)
No package-scoped "$VERSION" variable found at line 1, column 1.  See page 404 of PBP.  (Severity: 2)
Return value of flagged function ignored - print at line 11, column 1.  See pages 208,278 of PBP.  (Severity: 1)