On Mar 11, 2014 11:53 PM, "Gary Johnson" <garyj...@spocom.com> wrote:
>
> On 2014-03-11, Nikolay Pavlov wrote:
> >
> > On Mar 11, 2014 9:51 PM, "Charles Campbell" wrote:
> > >
> > > Ingo Karkat wrote:
> > >>
> > >> On 11-Mar-2014 15:14 +0100, Ben Fritz wrote:
> > >>
> > >>> <snip>
> > >>>
> > >>> Isn't this situation what shellescape() is designed for?
> > >>>
> > >>> That's not saying shellescape() will work, but I think it's supposed
> > >>> to work, unlike using a bare % which should always work for internal
> > >>> Vim commands but will only work by accident in external commands.
> > >>
> > >> No, shellescape() would be used in a mapping / command, like this:
> > >> shellescape(expand('%'), 1). With the 1 flag (for use with :!), a
> > >> literal % is properly escaped to \% so that Vim's special handling
does
> > >> not apply.
> > >>
> > >> % is handy for interactive use, like :!perl %
> > >>
> > > shellescape() is for use in a shell command argument being
> > > passed to the shell. The documentation even shows an example of
> > > using a filter. fnameescape() is for internal-vim use involving
> > > filenames (ie. avoid having % have magic with exe when you don't
> > > want it to).
> > > % is replaced with the current file name, just as it is typed.
> > > (see :he _%).
> > >
> > > So, if the current filename contains spaces, that's what you can
> > > expect to see with the expansion.
> > > The right way to do what the OP wants:
> > >
> > > :exe "w !diff ".shellescape(expand("%"))
> >
> > After my patch was included you can use (mentioned in second or
> > third message in this thread)
> >
> > :w !diff %:S
>
> Appending :S is easy enough to be a good solution. However, it
> doesn't handle parentheses any better than "%", at least not with
> Vim 7.4.193 on Linux.
>
> $ vim -N -u NONE 'foo bar()'
> :w
> :!file %:S
> foo bar\(\): ERROR: cannot open `foo bar\(\)' (No such file or
directory)
Ha! I have tested braces, figure brackets, dollar, quotes, backticks, per
cant, hash, newline: they all work. But not parenthesis. Good catch.
Though :S modifier is not responsible for this: :echo expand('%:S') is
correct. Will check whether I can disable unneeded escaping for :S.
>
> Regards,
> Gary
>
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