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.IX Title "Perl::Critic::Policy::CodeLayout::ProhibitHardTabs 3pm"
.TH Perl::Critic::Policy::CodeLayout::ProhibitHardTabs 3pm 2023-07-26 "perl v5.38.0" "User Contributed Perl Documentation"
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.SH NAME
Perl::Critic::Policy::CodeLayout::ProhibitHardTabs \- Use spaces instead of tabs.
.SH AFFILIATION
.IX Header "AFFILIATION"
This Policy is part of the core Perl::Critic
distribution.
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Putting hard tabs in your source code (or POD) is one of the worst
things you can do to your co-workers and colleagues, especially if
those tabs are anywhere other than a leading position.  Because
various applications and devices represent tabs differently, they can
cause you code to look vastly different to other people.  Any decent
editor can be configured to expand tabs into spaces.
Perl::Tidy also does this for you.
.PP
This Policy catches all tabs in your source code, including POD,
quotes, and HEREDOCs.  The contents of the \f(CW\*(C`_\|_DATA_\|_\*(C'\fR section are not
examined.
.SH CONFIGURATION
.IX Header "CONFIGURATION"
Hard tabs in a string are always forbidden (use "\et" instead).  But
hard tabs in a leading position are allowed when they are used to indent
code statements, \f(CWqw()\fR word lists, and regular expressions with the \f(CW\*(C`/x\*(C'\fR
modifier.  However, if you want to forbid all tabs everywhere, then add
this to your \fI.perlcriticrc\fR file:
.PP
.Vb 2
\&    [CodeLayout::ProhibitHardTabs]
\&    allow_leading_tabs = 0
.Ve
.SH NOTES
.IX Header "NOTES"
Beware that Perl::Critic may report the location of the string that
contains the tab, not the actual location of the tab, so you may need
to do some hunting.  I'll try and fix this in the future.
.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 LICENSE file included with this module.