[R] Newbie R question PART2
Martin Morgan
mtmorgan at fhcrc.org
Wed Apr 29 19:32:49 CEST 2009
Tena Sakai wrote:
> Hi,
>
> Many thanks to Wacek Kusnierczyk and Ted Harding.
>
> I learned 3 new tricks. (Not bad for a newbie?)
>
> $ R --silent --no-save < barebone.R
> $ R --quiet --no-save < barebone.R
> $ R --slave < barebone.R
>
> With slight differences, they all do what I wanted.
>
> Moving right along my tiny agenda...
>
> Given the same one-liner,
> cat ('Hello World!\n')
> would someone please show me how to turn this one liner
> into a web page with Rpad?
For the basic 'put text in an html page'
library(hwriter)
htmlFile = tempfile()
hwrite("Hello World", htmlFile)
browseURL(htmlFile)
for more advanced static pages
example(hwrite)
Martin
> Obviously, What I want to build is a web page, where it
> say "click <here>" and when it is clicked the screen
> blanks out and give a line:
> Hello World!
>
> I have looked at an example or two of Rpad, but it was
> overly complicated for simpleminded newbie.
>
> Regards,
>
> Tena Sakai
> tsakai at gallo.ucsf.edu
>
>
> -----Original Message-----
> From: Ted.Harding at manchester.ac.uk [mailto:Ted.Harding at manchester.ac.uk]
> Sent: Tue 4/28/2009 2:11 PM
> To: r-help at r-project.org
> Cc: Tena Sakai
> Subject: RE: [R] Newbie R question
>
> On 28-Apr-09 20:42:45, Tena Sakai wrote:
>> Hi,
>>
>> I am a newbie with R. My environment is linux and
>> I have a file. I call it barebone.R, which has one
>> line:
>>
>> cat ('Hello World!\n')
>>
>> I execute this file as:
>>
>> R --no-save < barebone.R
>>
>> And it does what I expect. What I get is 20+/- lines
>> of text, one of which is 'Hello World!'.
>>
>> How would I go about getting rid of all but the line I
>> am after, 'Hello World!'?
>>
>> Regards,
>>
>> Tena Sakai
>> tsakai at gallo.ucsf.edu
>
> An unusual request! I had to browse 'man R' a bit before getting
> a hint.
>
> R --silent --nosave < barebone.R
>
> should do it!
> Ted.
>
> --------------------------------------------------------------------
> E-Mail: (Ted Harding) <Ted.Harding at manchester.ac.uk>
> Fax-to-email: +44 (0)870 094 0861
> Date: 28-Apr-09 Time: 22:11:23
> ------------------------------ XFMail ------------------------------
>
>
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>
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