A.J.Mechelynck schrieb:
> Kamaraju Kusumanchi wrote:
>> On Friday 06 October 2006 08:24, Andy Wokula wrote:
>>> Kamaraju Kusumanchi schrieb:
>>>> I use two mappings for my Fortran (.f90) files
>>>>
>>>> map <F5> <Home>v%zf
>>>> map <F6> <Home>zDv%zf
>>>>
>>>> The idea is to create folds for code blocks which are of the form
>>>>
>>>> subroutine some_name_here
>>>> statements_here
>>>> end subroutine some_name_here
>>>>
>>>> Here F5 folds the subroutine block irrespective of whether there are
>>>> any
>>>> folds within it. F6 folds the subroutine block after deleting the
>>>> existing folds.
>>>>
>>>> However, if there are no folds and if I press F6, I get an error saying
>>>> that
>>>>
>>>> E490: No fold found
>>>>
>>>> Is it possible to combine these two maps into a single map such that
>>>> 1) If there are no existing folds, create a fold (i.e. perform <F5>)
>>>> 2) If there are already some folds defined, then delete them and
>>>> define a
>>>> new fold (i.e. perform <F6>)
>>>>
>>>> Any ideas?
>>>>
>>>> thanks
>>>> raju
>>> Some time ago I saw this:
>>> http://vim.sourceforge.net/tips/tip.php?tip_id=1330
>>>
>>> Andy
>>
>> Thanks for the pointer. I tried
>> nnoremap <F5> @=((foldclosed(line('.')) < 0) ? '<Home>v%zfjj' :
>> '<Home>zDv%zfjj')<CR>
>>
>> but it did not work due to <Home>. Dont know how to escape it
>> properly. Any ideas? For now I am using
>>
>> nnoremap <F5> @=((foldclosed(line('.')) < 0) ? '1\|v%zfjj' : '1\|
>> zDv%zfjj')<CR>
>>
>> but would like to use <Home> instead of 1\| since that would make the
>> map more readable.
>>
>> thanks
>> raju
>>
>
> To use the <Home> key in an expression (as here), use a double-quoted
> string and a backslash-escape: "\<Home>"
>
> See the last item under ":help expr-quote".
>
>
> Best regards,
> Tony.
Seems to be theory in this case, a mapping like
:nn <f7> @="\<home>"<cr>
results in an error:
=""\
E15: Invalid expression: ""\
Nevertheless
:let home = "\<home>"
:nn <f7> @=home<cr>
works. Same for both GVim 6.4 and GVim 7.0 (no latest patches) on Win32.
Looks like a bug?!
Andy
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