Re: Load one key- map

2016-10-24 2:03 GMT+03:00 Tony Mechelynck <antoine.mechelynck@gmail.com>:
> On Mon, Oct 24, 2016 at 12:15 AM, Guido Milanese
> <guido.milanese@gmail.com> wrote:
>> Dear all,
>> I'm probably making a mountain out of a molehill, but I'm lost in a (probably) very simple problem.
>>
>> I have written a simple bash script that performs some transformations in a file, calls (g)vim, waits for the user to edit the file, and exits. The problem is:
>>
>> * I have defined one simple key map of the kind
>>
>> map <F11> do-this-and-this
>>
>> * I would like to save this mapping to a file, in order to add this particular key-map to other mapping(s) defined by users; I would like to load the mapping from an external file, in order for this mapping to be unloaded after the current session. Such as:
>>
>> (g)vim FILE-WITH-MAPPING FILE-TO-WORK
>>
>> I tried to use *mkexrc* but I did not obtain what I want, i.e. to save in a file *only* the particular mapping I need for this particular script.
>>
>> Could you please help me?
>>
>> Thank you!
>> guido (Italy)
>
> Well, you could write your mapping to a file, and source that file
> when needed; but unless it is a rather complex "do this and that" it
> might be simpler to simply type the :map command at the command line,
> or as argument to the -c command-line switch.
>
> For a complex mappinf (written to ./mymapping.vim)
>
> (g)vim -c "source ./mymapping.vim"
>
> would, I suppose, do the trick. (Vim accepts forward slashes as path
> separators on all platforms including Windows, or backslashes on
> Windows only.)

vim -S ./mymapping.vim

is a shortcut to `-c 'so ./mymapping.vim'`. Note: implementation used
so far *literally* joins `so<space>` and a file name, saving this in a
location where `-c` commads are saved, so `vim -S './$FOO'` is not
going to open file `./$FOO` like you probably expected. You need to
know this in case you happen to know your file name contains special
characters (e.g. space), or in case you don't know which characters
your temporary file name can contain in advance, so the safest way
which does not require you messing with escaping should be something
like

_MYMAPPING=./mymapping.vim vim -c 'source $_MYMAPPING'

>
> see
> :help :source
> :help -c
>
> Best regards,
> Tony.
>
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