On Mar 11, 2014 9:51 PM, "Charles Campbell" <[email protected]>
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
. Note that what you posted here is *not* the right way: you forgot second
argument to shellescape().
>
> Regards,
> Chip Campbell
>
>
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