Private functions for conveniently working with strings.
string(text,file="",append=FALSE)
# S3 method for string
print(x,...)
# S3 method for string
+(x,y)
as.string(x,file="",append=FALSE)
is.string(x)
A character object.
Name of the file that should receive the printed string.
Should the printed string be appended to the file?
A string
object.
A string
object.
Additional arguments. (Currently ignored.)
These functions are private functions used by print.xtable
. They are
not intended to be used elsewhere.