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.IX Title "Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint 3pm"
.TH Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint 3pm "2020-05-17" "perl v5.30.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint \- Write "print {$FH} $foo, $bar;" instead of "print $FH $foo, $bar;".
.SH "AFFILIATION"
.IX Header "AFFILIATION"
This Policy is part of the core Perl::Critic
distribution.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \f(CW\*(C`print\*(C'\fR and \f(CW\*(C`printf\*(C'\fR functions have 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 \f(CW\*(C`STDOUT\*(C'\fR, \f(CW\*(C`STDERR\*(C'\fR, and \f(CW\*(C`DATA\*(C'\fR, you
must the \f(CW\*(Aq*\*(Aq\fR sigil or else it won't compile under \f(CW\*(C`use strict
\&\*(Aqsubs\*(Aq\*(C'\fR.
.PP
.Vb 2
\&  print $FH   "Mary had a little lamb\en";  #not ok
\&  print {$FH} "Mary had a little lamb\en";  #ok
\&
\&  print   STDERR   $foo, $bar, $baz;  #not ok
\&  print  {STDERR}  $foo, $bar, $baz;  #won\*(Aqt compile under \*(Aqstrict\*(Aq
\&  print {*STDERR}  $foo, $bar, $baz;  #perfect!
.Ve
.SH "CONFIGURATION"
.IX Header "CONFIGURATION"
This Policy is not configurable except for the standard options.
.SH "AUTHOR"
.IX Header "AUTHOR"
Jeffrey Ryan Thalhammer <jeff@imaginative\-software.com>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2005\-2011 Imaginative Software Systems.  All rights reserved.
.PP
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 \s-1LICENSE\s0 file included with this module.