Re: unable to set "tags" file in front of "tags" option

On Sat, 14 Sep 2024 02:33:55 -0700 (PDT)
Andreas Otto <[email protected]> wrote:
> Hi, I build my *tags* options like:
>
> source $NHI1_HOME/example/.vimrc
> set tags+=$NHI1_HOME/theKernel/jv/tags
> set tags+=$NHI1_HOME/theLink/jv/tags
> set tags+=$NHI1_HOME/theConfig/jv/tags
> set tags+=$NHI1_HOME/theSq3Lite/jv/tags
>
> with the most specific *tags* files at the end (+=). my problem is that I
> want the most specific *tags* file in the FRONT of the *tags* option.
>
> I'm a little embarrassed to ask such a simple question, but since Vim has
> decided to use a somewhat "unusual" custom development as a "programming
> language", I unfortunately have no choice but to go down this route.
>
> Normally I would assume that something like:
> > set tags=/my/file/to/tags,$tags
> would work, but it just doesn't.
>

Try "^=" to prepend instead of "+=" which appends.  From the helpdocs:

    :se[t] {option}+={value}				*:set+=*
    			Add the {value} to a number option, or append the
    			{value} to a string option.  When the option is a
    			comma-separated list, a comma is added, unless the
    			value was empty.
    			If the option is a list of flags, superfluous flags
    			are removed.  When adding a flag that was already
    			present the option value doesn't change.
    			Also see |:set-args| above.

    :se[t] {option}^={value}				*:set^=*
    			Multiply the {value} to a number option, or prepend
    			the {value} to a string option.  When the option is a
    			comma-separated list, a comma is added, unless the
    			value was empty.
    			Also see |:set-args| above.


--
Enan

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