[R-SIG-Mac] Executing iOS system code within R
marc_schwartz at me.com
Tue Oct 10 20:15:18 CEST 2017
I was kind of wondering that myself...given the frequent prior discussions here regarding running R on iOS... :-)
My recommendation would be to use R's built in file/folder/path related functionality, such as:
?getwd (which includes ?setwd)
and other related functions listed under the "See Also" sections of those help pages.
You can use getwd() to store the current working directory in a vector, execute whatever system() level commands you need to, then restore the current working directory to the original:
CurrDir <- getwd()
> On Oct 10, 2017, at 2:05 PM, Christofer Bogaso <bogaso.christofer at gmail.com> wrote:
> Yes macOS - High Sierra
> On Tue, Oct 10, 2017 at 11:33 PM, elijah wright <elw at stderr.org> wrote:
>> Did you mean macOS? I am not aware of anything that can run both R
>> and iOS code - if there's some fancy thing out there that can, i would
>> like to know about that. ;-)
>> On Tue, Oct 10, 2017 at 12:58 PM, Christofer Bogaso
>> <bogaso.christofer at gmail.com> wrote:
>>> Hi again,
>>> I need to execute few line of system codes for iOS from R. Basically
>>> that execution involves (as an example) :
>>> 1. Change the Working directory first
>>> 2. Execute some task (e.g.deleting a file)
>>> 3. Then go back to original folder/directory
>>> I am aware of system() function which can be used here. However it
>>> looks that system() function executes iOS code one-by-one i.e. after I
>>> execute system('cd .....') for #1 above, that changed directory is not
>>> passed for #2 and so on.
>>> Is there any way where I can run a chain on iOS code as-a-whole using R.
>>> Your help will be highly appreciated.
>>> Thanks for your time.
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>>> R-SIG-Mac at r-project.org
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