Is there a way to print complex, multi-line text and numeric output with
good control of the field width and precision of numeric values? In the
first example in the R Documentation for the sprintf function, there appears
to be a linefeed code "\n", but it is printed literally.
sprintf("%s is %f feet tall\n", "Sven", 7)[1] "Sven is 7.000000 feet tall\n"
That is because the output of sprintf is the _string_ that sprintf returns. You could cat this string to get the behavior you probably expected:
> cat(sprintcat(sprintf("%s is %f feet tall\n\nNew line\n", "Sven", 7))
Sven is 7.000000 feet tallNew line >
The following code defines a C-like "printf":
printf <- function(...) { cat(sprintf(...)) }
> printf("%s is %f feet tall\n", "Sven", 7)
Sven is 7.000000 feet tall
>- Hedderik.
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