Re: [R] checking whether a file is empty

From: Dirk Eddelbuettel <edd_at_debian.org>
Date: Wed, 30 Apr 2008 10:48:44 -0500

On Wed, Apr 30, 2008 at 11:33:01AM -0400, Faheem Mitha wrote:
> Is there a way to check whether a file is empty in R. I did the customary
> searches, but did not find anything. Please cc me on any reply.

Empty file have, by definition, a size of zero, so here's one way:

> system("touch /tmp/faheem")
> file.info("/tmp/faheem")$size == 0

[1] TRUE Hth, Dirk

-- 
Three out of two people have difficulties with fractions.

______________________________________________
R-help_at_r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Received on Wed 30 Apr 2008 - 16:55:37 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Wed 30 Apr 2008 - 17:30:33 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive