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lib/App/optex/util/filter.pm  view on Meta::CPAN

	}ge if $c_char ne '';
	print;
    }
}

=item B<visible>(I<name>=I<flag>)

Make control and space characters visible.

By default, ESCAPE and NEWLINE is not touched.  Other control
characters and space are shown in unicode symbol.  Tab character and
following space is visualized in unicode mark.

When newline character is visualized, it is not deleted and shown with
visible representation.

=over 7

=item I<name>

Name is C<tabstop>, C<tabstyle>, C<all>, or one of these:

lib/App/optex/util/filter.pm  view on Meta::CPAN

Default is equivalent to:

    visible(tabstyle=bar,all=s,esc=0,nl=0)

Tab width can be set by C<tabstop>.  As for C<tabstyle>, use anything
defined in L<Text::ANSI::Fold>.

=item I<flag>

If the flag is empty or 0, the character is displayed as is.  If flag
is C<c>, it is shown in C<^c> format.  Otherwise shown in unicode
symbol.

=back

=cut

######################################################################

sub rev_line {
    print reverse <STDIN>;