[R] windows vs. linux code
murdoch at stats.uwo.ca
Thu Feb 26 02:42:35 CET 2009
On 25/02/2009 8:19 PM, jdeisenberg wrote:
> Sherri Heck wrote:
>> I have been given some Rcode that was written using a Linux OS, but I
>> use Windows-based R. The person that is giving it to me said that it
>> needs to run on a Linux system. Does anyone have any insight and/or can
>> verify this. I haven't yet obtained the code, so I haven't been able to
>> try it yet.
> Linux and Windows use different end-of-line delimiters, but R doesn't care
> about that.
> If the code uses the system( ) call to directly invoke an OS command, then
> that code is almost certainly tied down to one operating system. For
> example, system("date") works fine on Linux, but doesn't on Windows.
Well, not on some Windows systems. On mine, I get
Wed Feb 25 20:37:10 EST 2009
This is because I have the date command installed as part of the R
tools. (Date is also available in a number of other toolkits that make
Windows shells more Unix-like.)
So your point is valid that code written to use system functions on
Linux is unlikely to work in a plain out of the box Windows system, but
it's often not hard to get it to run.
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