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(parent: ffa01df) | patch
fix perlcritic's warning
authorHuang Hao <hao.h.huang@intel.com>
Tue, 25 Sep 2012 08:05:22 +0000 (16:05 +0800)
committerHuang Hao <hao.h.huang@intel.com>
Thu, 27 Sep 2012 03:15:07 +0000 (11:15 +0800)
commitee40d56076939cea05e1e69cc1dd23cd9e3af734
treee1e4850d992427c5cde896a4dba0b8a2185bece0tree | snapshot
parentffa01dff36ee5cf18ab95fd43f1b02b8db2301fccommit | diff
fix perlcritic's warning

eliminate warning of serverity 5 reported by perlcritic

- code after "use strict"
- default value for $ENV{VIRTUAL_ENV}
- use lexical file handler instead of bareword file handler
- use three-arguments of open
- use "return" instead of "return undef", the latter could evalute
    to one-element list (undef) in list context
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