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References: <CAE7MaQYj519RO1MQa5vdHSZLnS7sC=TeZCNYgcyCLEem7Fr9ZQ@mail.gmail.com>
Date: Sat, 25 Aug 2012 14:50:20 +0200
Subject: Re: How do I define function for toggling textwidth (and echoing along)?
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From: Paul Isambert <zappathus...@free.fr>
Message-Id: <20120825125021.D4F3AA621D@smtp3-g21.free.fr>

Santosh Kumar <sntshkm...@gmail.com> a =C3=A9crit:
> 
> By default I have textwidth set to 78:
> set textwidth=3D78
> 
> By this setting if I type more than 78 characters in a line, those
> will be moved to next line.
> I want a mapping that will toogle that textwidth to 0 (or say disable
> textwidth), so that I can type long sentences in a single line.
> 
> Currently I have this mapping:
> nnoremap <silent> <leader>tw :exe "set textwidth=3D" . (&tw ? 0 : 78)<cr>
> 
> This does the work but I don't get notified if the work has been done.
> All I want is along with toggling the setting I should be notified
> (i.e. if textwidth is zero then show textwidth=3D0 at statusline).

Try this:

  :nnoremap <silent> tw :exe "set textwidth=3D" . (&tw ? 0 : 78)<CR> <Bar> =
:echo "textwidth=3D" . &tw<CR>

Best,
Paul