get_docvars: Internal function to extract docvars
Description
Internal function to extract docvars
Usage
get_docvars(x, field = NULL, user = TRUE, system = FALSE, drop = FALSE)
Arguments
x
an object from which docvars are extracted
user
if TRUE
, return user variables
system
if TRUE
, return system variables
drop
if TRUE
, convert data.frame with one variable to a vector