open r vanilla (<leader>rv) breaks about vim-r-plugin HOT 11 CLOSED

Thanks for reporting the bug!

The option is available for almost all file types supported by the plugin: r, rnoweb, rhelp, rrst and rmd. The error message means that the option is active (otherwise, nothing would happen).

I have just tested \rv in Linux and it works. Because I don't have access to a Mac OS X, I can't test and fix the bug you have reported. So, we have to wait until someone fixes the bug and sends a patch to me.

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I would need some guidance, as i've not written a vim plug before, but i am happy to help where i can.

Let me know.

On 09/10/2013, at 9:17 AM, Jakson Alves de Aquino [email protected] wrote:

Thanks for reporting the bug!

The option is available for almost all file types supported by the plugin: r, rnoweb, rhelp, rrst and rmd. The error message means that the option is active (otherwise, nothing would happen).

I have just tested \rv in Linux and it works. Because I don't have access to a Mac OS X, I can't test and fix the bug you have reported. So, we have to wait until someone fix the bug and send a patch to me.

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The most relevant line to debug this problem is the line 737 of r-plugin/common_global.vim:

let rlog = system("open " . rcmd)

To debug this code you can do at least two things:

(1) Add the following line just before the line 737 to know what is the command that is being executed:

call RWarningMsg(rcmd)

Then, when you do \rv the value of rcmd variable will be printed in Vim's as a warning message.

(2) Change the code until it works. You may start by typing the following in Vim (Normal mode):

:echo system("open R --vanilla")

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HI, sorry for the time gap. I added

call RWarning(rcmd)

and at the head of the error i see: /Applications/R.app --vanilla .

I tried :! open R --vanilla and it returned open: unrecognized option--vanilla'` and more error code.

A bit of searching turned up this link: https://stat.ethz.ch/pipermail/r-sig-mac/2013-February/009978.html

In particular, Simon Urbanck commented that:

" ... command line arguments are only supported in command line tools, and R.app is not a command line tool.

Given that this is something very obscure we don't have any plans to support this, but we may entertain a patch. Beware, though, that applications fall under different rules that command line tools, so you cannot just pass-on argv to R."

To check this, i tried :! R --vanilla from macvim and it worked.

The issue seems to be that the R.app is not a command line application; so if folks want to run the R.app as vanilla from vim, it's not going to work. Perhaps you can change the defaults so it spawns a non-R.app instance when \rv is given.

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Thanks for your investigation! Now, instead of trying to pass arguments to R.app, the plugin shows a warning: "We cannot pass arguments to R.app (arguments here)."

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I think that it would be unexpected for users to see R starting in a terminal emulator when they are used to see R.app being started by the Vim-R-plugin. This surely would be reported as bug. So, Mac OS X users wanting to run R in a terminal emulator have to put in their vimrc:

let vimrplugin_applescript = 0

The above command may also be done when Vim is already running. Type in Normal mode before starting R:

:let vimrplugin_applescript = 0

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Perhaps for mac users rather than the uninformative error it should tell them that they need to set that flag to get R --vanilla to work?

It does not seem like there is any other way to make this feature work with the R.app

On 20/10/2013, at 12:42 AM, Jakson Alves de Aquino [email protected] wrote:

I think that it would be unexpected for users to see R starting in a terminal emulator when they are used to see R.app being started by the Vim-R-plugin. This surely would be reported as bug. So, Mac OS X users wanting to run R in a terminal emulator have to put in their vimrc:

let vimrplugin_applescript = 0
The above command may also be done when Vim is already running. Type in Normal mode before starting R:

:let vimrplugin_applescript = 0
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I have never used a Mac and unfortunately I don't have one to make testes. So, could you please write the message that you think should be displayed? Note: the message will be displayed whenever the user tries to pass arguments to R and not only when trying to run R vanilla. Thanks!

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I have just changed the vimrplugin_applescript flag, and that gives the desired result.

Given that apple has taken out the xterm client, I think the message ought to be something like:

R.app does not support --vanilla. To use this option, you must run R in a console. Set "vimrplugin_applescript = 0" (you may need to install XQuartz)

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Thanks! I have done a small change in the message to make it more generic because the argument being passed to R may not be "--vanilla": 97ce4f1

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Awesome. Very informative.

On 20/10/2013, at 2:00 PM, Jakson Alves de Aquino [email protected] wrote:

Thanks! I have done a small change in the message to make it more generic because the argument being passed to R may not be "--vanilla": 97ce4f1

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