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Perl::Critic::Policy::InputOutput::RequireCheckedClose(3User Contributed Perl DocumentatiPerl::Critic::Policy::InputOutput::RequireCheckedClose(3)
NAME
Perl::Critic::Policy::InputOutput::RequireCheckedClose - Write "my $error = close $fh;" instead of "close $fh;".
AFFILIATION
This Policy is part of the core Perl::Critic distribution.
DESCRIPTION
The perl builtin I/O function "close" returns a false value on failure. That value should be checked to ensure that the close was
successful.
my $error = close $filehandle; # ok
close $filehandle or die "unable to close: $!"; # ok
close $filehandle; # not ok
use autodie qw< :io >;
close $filehandle; # ok
You can use autodie, Fatal, or Fatal::Exception to get around this. Currently, autodie is not properly treated as a pragma; its lexical
effects aren't taken into account.
CONFIGURATION
This Policy is not configurable except for the standard options.
AUTHOR
Andrew Moore <amoore@mooresystems.com>
ACKNOWLEDGMENTS
This policy module is based heavily on policies written by Jeffrey Ryan Thalhammer <jeff@imaginative-software.com>.
COPYRIGHT
Copyright (c) 2007-2011 Andrew Moore. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of this license
can be found in the LICENSE file included with this module.
perl v5.16.3 2014-06-09 Perl::Critic::Policy::InputOutput::RequireCheckedClose(3)