Re: Invoking external command with arguments

On 2011-09-04, Chaoxu Tong wrote:
> Hi All,
>
> I have a file containing file names like this:
>
> a.txt
> b.dat
> e.cpp
>
> I would like to invoke wc to count number of lines for these files, so i would
> like to use the current line or the select part(with visual mode) as my
> arugment.
>
> So how could i do this in vim?

Using just the current line, you could execute this:

:.w !wc

That pipes the current line to wc. See

:help :w_c

Using a visually-selected region, you could execute this:

:'<,'>w !xargs wc

where Vim automatically inserts the "'<,'>" part.

Regards,
Gary

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