Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint - Write print {$FH} $foo, $bar; instead of print $FH $foo, $bar;.
This Policy is part of the core Perl::Critic distribution.
The print function has a unique syntax that supports an optional
file handle argument. Conway suggests wrapping this argument in
braces to make it visually stand out from the other arguments. When
you put braces around any of the special package-level file handles
like STDOUT, STDERR, and DATA, you must the '*' sigil or
else it won't compile under use strict 'subs'.
print $FH "Mary had a little lamb\n"; #not ok
print {$FH} "Mary had a little lamb\n"; #ok
print STDERR $foo, $bar, $baz; #not ok
print {STDERR} $foo, $bar, $baz; #won't compile under 'strict'
print {*STDERR} $foo, $bar, $baz; #perfect!
This Policy is not configurable except for the standard options.
Jeffrey Ryan Thalhammer <thaljef@cpan.org>
Copyright (c) 2005-2008 Jeffrey Ryan Thalhammer. 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.