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Perl: the Markov chain saw


by root (Scribe)
on Dec 23, 1999 at 00:53 UTC ( #1257=perlfunc: print w/ replies, xml ) Need Help??


See the current Perl documentation for Text::Wrap.

Here is our local, out-dated (pre-5.6) version:

Text::Wrap - line wrapping to form simple paragraphs

        use Text::Wrap

        print wrap($initial_tab, $subsequent_tab, @text);

        use Text::Wrap qw(wrap $columns $tabstop fill);

        $columns = 132;
        $tabstop = 4;

Text::Wrap::wrap() is a very simple paragraph formatter. It formats a single paragraph at a time by breaking lines at word boundries. Indentation is controlled for the first line ($initial_tab) and all subsquent lines ($subsequent_tab) independently. $Text::Wrap::columns should be set to the full width of your output device.

Text::Wrap::fill() is a simple multi-paragraph formatter. It formats each paragraph separately and then joins them together when it's done. It will destory any whitespace in the original text. It breaks text into paragraphs by looking for whitespace after a newline. In other respects it acts like wrap().


        print wrap("\t","","This is a bit of text that forms 
                a normal book-style paragraph");


It's not clear what the correct behavior should be when Wrap() is presented with a word that is longer than a line. The previous behavior was to die. Now the word is now split at line-length.


David Muir Sharnoff <> with help from Tim Pierce and others. Updated by Jacqui Caren.

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