[Rd] build packages with vignettes in Windows
simon.urbanek at r-project.org
Wed Apr 30 23:02:41 CEST 2008
On Apr 30, 2008, at 4:29 PM, Duncan Murdoch wrote:
> On 4/30/2008 4:01 PM, Simon Urbanek wrote:
>> On Apr 30, 2008, at 2:31 PM, Duncan Murdoch wrote:
>>> On 4/30/2008 11:56 AM, Michael wrote:
>>>> On 29 Apr 2008, Duncan Murdoch wrote:
>>>>> Right, you don't need to set the system path for everything,
>>>>> but you do
>>>>> need to set it in CMD (or other shell) before running Rcmd.
>>>> For Win 2K/XP/Vista, the system path can be set (through the GUI
>>>> not sure how to do it with scripts) without restarting, for new CMD
>>>> processes started afterwards.
>>> Sure, but the installer doesn't know how to do that. It just
>>> sets the path in the registry; it doesn't know how to give
>>> Explorer a kick to get it to reload from there. As far as I know
>>> there's no documented way to do that.
>> FWIW the PATH setting is effective immediately (at least on 2k/
>> XP ...). Any new shell you start (e.g. using Run..) will have the
>> updated PATH already.
> Does that happen with the Rtools installer? I didn't know that. I
> thought explorer only changes the PATH at startup, or when you edit
> it from the control panel.
Hmm I thought it did, but a subsequent test shows it doesn't.
Apparently I must have triggered a change in the Control Panel so PATH
was updated even before reboot.
Anyway, there are free tools with source that show how to send a
broadcast message to make that change active immediately, e.g.:
BTW: By testing this I found out that the Rtools installer is not as
smart as it could be - when you run it a second time it will duplicate
>> I was always very skeptical as editing PATH in the installer is
>> concerned (and I have always declined any automated changes), but
>> I really love the feature that allows me to edit the whole PATH
>> interactively in an editor-like window.
>> Also note that the rebooting is optional, you can still safely
>> decline it so I see no reason why that should deter anyone.
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