Thanks Jeff,Michael for your replies.

A.K.



----- Original Message -----
From: Jeff Newmiller <jdnew...@dcn.davis.ca.us>
To: arun <smartpink...@yahoo.com>; R help <r-help@r-project.org>
Cc: 
Sent: Sunday, May 27, 2012 3:34 PM
Subject: Re: [R] write.csv permissions

It is bad practice to do ANYTHING in R as the root user, except possibly 
install libraries.  This is true for any real work in any application in 
general... root is only for installing software or modifying the system 
configuration. The very fact that you are doing analysis in R and saving 
results is part of your problem... files created by that user are by default 
not readable by other users.
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DCN:<jdnew...@dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
/Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
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Sent from my phone. Please excuse my brevity.



arun <smartpink...@yahoo.com> wrote:

>Dear R help,
>
>I have a doubt regarding the write.csv function.  When I save a file
>(write.csv(res1,"res1.csv")), it is saving with the read-only
>permission.  I tried to change the permission as a root user with chmod
>u+x.  Though, it says that "-rwxr--r--  1 root root     164 2012-05-27
>10:18 res1.csv", when I open the file it is still read-only.  Is there
>any way to save the file with no restrictions on permission?  I use the
>R  console as a root user (sudo R).
>
>Thanking you,
>A.K.
>
>______________________________________________
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>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

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