Le ven 14/10/2005 à 00:39, Benedict P. Barszcz a écrit :
> Dnia piÄ
tek, 14 października 2005 00:13, Sundar Dorai-Raj napisaÅ:
>
> > 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.
>
obviously, you're a newbie in informatic. In most of informatic
language, you use quoted string to distinguish it from variable of your
environnement. if not quoted, string is interpreted like a variable
and you must declared your variable previously, otherwise, you have a
message error... like you had.
best.
Yves
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