/usr/share/perl/5.18.2/Text/Tabs.pod is in perl-doc 5.18.2-2ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | =head1 NAME
Text::Tabs - expand and unexpand tabs like unix expand(1) and unexpand(1)
=head1 SYNOPSIS
use Text::Tabs;
$tabstop = 4; # default = 8
@lines_without_tabs = expand(@lines_with_tabs);
@lines_with_tabs = unexpand(@lines_without_tabs);
=head1 DESCRIPTION
Text::Tabs does most of what the unix utilities expand(1) and unexpand(1)
do. Given a line with tabs in it, C<expand> replaces those tabs with
the appropriate number of spaces. Given a line with or without tabs in
it, C<unexpand> adds tabs when it can save bytes by doing so,
like the C<unexpand -a> command.
Unlike the old unix utilities, this module correctly accounts for
any Unicode combining characters (such as diacriticals) that may occur
in each line for both expansion and unexpansion. These are overstrike
characters that do not increment the logical position. Make sure
you have the appropriate Unicode settings enabled.
=head1 EXPORTS
The following are exported:
=over 4
=item expand
=item unexpand
=item $tabstop
The C<$tabstop> variable controls how many column positions apart each
tabstop is. The default is 8.
Please note that C<local($tabstop)> doesn't do the right thing and if you want
to use C<local> to override C<$tabstop>, you need to use
C<local($Text::Tabs::tabstop)>.
=back
=head1 EXAMPLE
#!perl
# unexpand -a
use Text::Tabs;
while (<>) {
print unexpand $_;
}
Instead of the shell's C<expand> comand, use:
perl -MText::Tabs -n -e 'print expand $_'
Instead of the shell's C<unexpand -a> command, use:
perl -MText::Tabs -n -e 'print unexpand $_'
=head1 SUBVERSION
This module comes in two flavors: one for modern perls (5.10 and above)
and one for ancient obsolete perls. The version for modern perls has
support for Unicode. The version for old perls does not. You can tell
which version you have installed by looking at C<$Text::Tabs::SUBVERSION>:
it is C<old> for obsolete perls and C<modern> for current perls.
This man page is for the version for modern perls and so that's probably
what you've got.
=head1 BUGS
Text::Tabs handles only tabs (C<"\t">) and combining characters (C</\pM/>). It doesn't
count backwards for backspaces (C<"\t">), omit other non-printing control characters (C</\pC/>),
or otherwise deal with any other zero-, half-, and full-width characters.
=head1 LICENSE
Copyright (C) 1996-2002,2005,2006 David Muir Sharnoff.
Copyright (C) 2005 Aristotle Pagaltzis
Copyright (C) 2012 Google, Inc.
This module may be modified, used, copied, and redistributed at your own risk.
Publicly redistributed modified versions must use a different name.
=cut
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