Re: nmap yiw mapping when <2 characters

On 12/24/11 08:48, Dan S wrote:
> I'm trying to get a mapping to work irrespective of the number
> of characters in the document. The following is a simplified
> example which does the rather strange task of copying the
> current word, then pasting it and appending a question mark:
>
> :nmap<buffer> <F3> yiw pa?<Esc>
>
> Note this is only for demo purposes, in my application I pass
> the yanked text to a function that does something useful. The
> above map works, *but* never does anything when the buffer is
> completely empty or only has one character in it.

Without knowing what your function does, it's a little hard to
prognosticate your intent. However, you might be interested in using

expand('<cword>')

within your function. It grabs the word under the cursor for use
in an expression, and has the added benefit that it doesn't tromp
on your scratch register.

I believe what's happening is that either the "yiw" is failing,
or the space is failing which triggers an internal "something
exceptional happened" causing the rest of the mapping to stop
execution, much like happens with repeated macro-execution.

-tim

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