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Is R running interactively ?

Syntax

interactive()

Description

Function to determine if R is running interactively or not.

Value

TRUE or FALSE. It only returns TRUE when output is not stdout or input not stdin, i.e. in situations when R is called from the shell as e.g., R < inp.R > inp.Rout.

See Also

source

Examples

.First <- function() if(interactive()) x11()