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Re: [vile] Using filter-til to replace format-til

From: Thomas Dickey
Subject: Re: [vile] Using filter-til to replace format-til
Date: Sun, 10 Aug 2008 20:28:26 -0400
User-agent: Mutt/1.5.18 (2008-05-17)

On Sun, Aug 10, 2008 at 03:46:09PM +0300, J??nis R??cis wrote:
> Hello,
> I'm trying to create a binding that would work in a manner similar to
> format-til, while instead using an external program to do the
> formatting.  This is basically what filter-til already does, except I
> can't figure out how to avoid typing the command every time I use it.
> The closest I've got (basic idea) is this:
>     store-procedure my-format-til
>         filter-til &gtmotion 'default' 'par -j1 -w70'
>     ~end
>     bind-key g my-format-til

fixing minor typos:

        store-procedure my-format-til
                filter-til &gtmotion 'default' 'par -j1 -w70'
        bind-key my-format-til g

> But this handles a repeat count in strange ways, not the same way
> format-til and filter-til do.  Is there a way I can obtain the repeat
> count from within the macro to pass to filter-til?

not currently: all procedures are interpreted with dobuf(), which is using
the repeat-count for repeating the macro.

format-til is an operator, which uses the repeat-count similarly.

However, the repeat on the procedure will cause a &gtmotion on each
occurrence.  You can work around _that_ by adding a variable to record
the state (though that's clumsy - for instance, you could set the variable
to &stime to record the starting time of the macro, and prompt when it's
a new system-time).

I've considered extending procedures so they could be used to
define operators, rather than building up operators with things
like &gtmotion.  (The hard part seems to be the changes needed
for undo).

Thomas E. Dickey <address@hidden>

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