[R] shell scripts in R

Don MacQueen macq at llnl.gov
Fri Oct 14 16:42:08 CEST 2005


But,
    > foo <- 'ls'
   > system(foo)
is valid.

Is foo a "string" or a "quoted string"?
Without a doubt, it is the former. But I don't see any quote marks in

    system(foo)

-Don

At 12:39 AM +0200 10/14/05, Benedict P. Barszcz wrote:
>Dnia piàtek, 14 paêdziernika 2005 00:13, Sundar Dorai-Raj napisa½:
>
>>  Don't you mean system("ls")? See ?system.
>>
>>  Arguments:
>>
>>  command: the system command to be invoked, as a string.
>
>This is the kind of obstacles a newbie has to overcome. Whoeve is writing the
>documentation for R, please do not attempt to save on bytes. Life would be so
>much more pleasureable.... if only it would say "as a quoted string". Jee.
>
>
>--
>Benedict
>
>Cyfrowy klucz publiczny / Digital public key
>http://agrypa1.atspace.com/klucze/kb2qzv_wp.pl-public.asc
>
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-- 
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA




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