On Thu, Jan 9, 2014 at 9:07 PM, Rick Dooling <rpdool...@gmail.com> wrote:
> On Thursday, January 9, 2014 2:29:41 PM UTC-6, ZyX wrote:
> > On Jan 9, 2014 11:50 PM, "Rick Dooling" <rpdo...@gmail.com> wrote:
> >
> > >
> >
> > > On Thursday, January 9, 2014 11:26:15 AM UTC-6, Rick Dooling wrote:
> >
> > > > On Thursday, January 9, 2014 10:42:47 AM UTC-6, Rick Dooling wrote:
> >
> > > > > Dear Vim Scripters:
> >
> > > > >
> >
> > > > > I know how to run external commands and send the output to new
> files and such, but I'm wondering if a Vim scripter can help me do
> something that has to be a common task.
> >
> > > > >
> >
> > > > > Assume I have a buffer open in Vim called file.markdown
> >
> > > > >
> >
> > > > > I want to run my external markdown processor of choice, say
> pandoc, on the contents of that buffer and have it appear in a new tab
> called file.html.
> >
> > > > >
> >
> > > > > In other words I don't want a filter to replace the markdown. I
> want to run the external command and have the output placed in a new
> appropriately named buffer in a new tab.
> >
> > > > >
> >
> > > > > THANK YOU
> >
> > > > >
> >
> > > > > Rick
> >
> > > >
> >
> > > > Thank you,
> >
> > > >
> >
> > > > I shall investigate execute!
> >
> > >
> >
> > > Quite an education! Still learning Vim. I mainly just write in it.
> Very little vim scripting.
> >
> > >
> >
> > > This works inside Vim on the command line
> >
> > >
> >
> > > :execute "!pandoc % -o html" | :tabe %:t:r.html
> >
> > >
> >
> > > But I could not map it. I would get weird errors about using :p:h.
> >
> > >
> >
> > > So I did this instead.
> >
> > >
> >
> > >
> >
> > > function! MD()
> >
> > > exe "!pandoc % -o html"
> >
> > > exe ":tabe %:t:r.html"
> >
> > > endfunction
> >
> > You do not need any :exe here in the current state. But you need :exe in
> the first statement: do not ever use % in shell commands as it is not doing
> any escaping. E.g. if name of currently edited file contains space first
> line of function MD will not do its job.
> >
> >
> > You should use
> >
> > execute '!pandoc" shellescape(@%, 1) '-o '
> shellescape(expand('%:t:r')) '.html'
> >
> > instead. This does not apply to vim commands: :tabe %:t:r.html is fine.
> >
> > >
> >
> > > --
> >
> > > --
> >
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> THANK YOU!
>
> I probably would never have noticed the shellescape because I never use
> spaces in filenames. But always nice to be ready for cross platform.
>
> I'll leave this here for any other neophyte.
>
> function! MD()
> exe '!pandoc' shellescape(@%, 1) ' -o '
> shellescape(expand('%:t:r')).'.html'
> :tabe %:t:r.html
> endfunction
>
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>
This is a very cool user case, I hadn't even thought of this but it does
come quite handy.
I wonder, though, if there would be a way to do this without involving
files at all, that is, passing whatever is in the buffer to pandoc as STDIN
and then getting pandoc's STDOUT into a new buffer, in a split window or a
new tab.
If I run pandoc as a filter with :%!pandoc ... it will replace the current
buffer contents.
Regards,
--
Jacobo de Vera
http://www.jacobodevera.com
@jovianjake
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