This help topic is for R version 0.90. For the current version of R, try https://stat.ethz.ch/R-manual/R-patched/library/base/html/cat.html
cat {base}R Documentation

Concatenate and Print

Usage

cat(... , file = "", sep = " ", fill = FALSE, labels = NULL,
    append = FALSE)

Arguments

...

R objects which are coerced to character strings, concatenated, and printed, with the remaining arguments controlling the output.

file

character string naming the file to print to. If "", cat prints to the standard output.

sep

character string to insert between the objects to print.

fill

a logical or numeric controlling how the output is broken into successive lines. If FALSE, only newlines created explicitly by \n are printed. Otherwise, the output is broken into lines with print width equal to the option width if fill is TRUE, or the value of fill if this is numeric.

labels

character vector of labels for the lines printed. Ignored if fill is FALSE.

append

if TRUE, output will be appended to file; otherwise, it will overwrite the contents of file.

Value

cat converts its arguments to character strings, concatenates them, separating them by the given sep= string, and then prints them.

cat is useful for producing output in user defined functions.

Examples


## print an informative message
cat("iteration = ", iter <- iter + 1, "\n")

[Package base version 0.90 ]