2.2.3 output of documents

First, the simplest print() Output and cat() Direct splicing output result is very simple , Just give me a chestnut ：

 

Next we will explain how to output content to a file

function ：cat（）

The grammar format is ：cat（‘ The contents of the document ’,‘ Output address ’,append=TRUE）

among append=TRUE Means to add this content to the original document , If not filled or append=FALSE It means to overwrite the contents of the original file .

function ：sink()

The syntax format of this function is ：sink(" Output address ", split=TRUE,append=TRUE)

among split=TRUE Indicates that the output result is still displayed on the console , Otherwise, the output results will not be displayed on the console .