[R] "Smart update" utility (or coding) for data files

[Uwe Ligges]

Ashutosh Tayshete wrote:

> Hi,
> 
> I am a new user of R and this is my first e-mail here. Please enlighten me
> on any etiquette issues I may have overstepped on.
> 
> My questions is as follows:
> 
> I need to do some data analysis for data from .csv files for stocks
> (that I have obtained from yahoo)
> 
> How can I do a "smart update" of this data from Yahoo (or any other
> site if you wish), so that in some way, I do not have to go and download
> the new data from Excel every day.
> 
> I am running my code from a script file. So every time I start the program
> I'd like the data to be up-to-date (ofcourse I shall be connected to the
> internet.) Is there a utility I can download for this? If not, any hints
> on how to code this will be appreciated.
> 
> many thanks
> A
> 

See ?url for such a connection.


Instead of read.csv("filename"), use
  read.csv(url("TheRelevantURL"))

Uwe Ligges