[R] formatting print statements with multiple lines
Stephan Kolassa
Stephan.Kolassa at gmx.de
Thu Dec 18 22:30:54 CET 2008
Use cat() with "\n" for newlines and "\t" for tabs,
cat("Input criteria does not meet specifications. Check input against
the following requirements:\n\ta >= 0\n\t")
HTH,
Stephan
Brigid Mooney schrieb:
> When executing the command:
>
> print(cat(paste("Input criteria does not meet specifications. Check
> input against the following requirements:
> a >= 0
> b <= 0
> c >= 0 ", sep=""), ""))
>
> I get:
> Input criteria does not meet specifications. Check input against the
> following requirements:
> a >= 0
> b <= 0
> c >= 0 NULL
> (with that extra NULL at the end).
>
> If I omit the 'cat' command, the NULL goes away, but I no longer get the
> next-line formatting that I want.
>
> I think I'm missing something about one of these functions returning a NULL
> value, but I can't seem to get the exact result I want (no NULL value, and
> keep the next-line formatting.)
>
> Any ideas or suggestions are much appreciated.
>
> Thanks!
>
> [[alternative HTML version deleted]]
>
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