cc: Concatenate with Commas

In chk: Check User-Supplied Function Arguments

Concatenate with Commas

Description

Concatenates object values into a string with each value separated by a comma and the last value separated by a conjunction.

Usage

cc(
  x,
  conj = ", ",
  sep = ", ",
  brac = if (is.character(x) || is.factor(x)) "'" else "",
  ellipsis = 10L,
  chk = TRUE
)

Arguments

x	The object to concatenate.
conj	A string of the conjunction to separate the last value by.
sep	A string of the separator.
brac	A string to brac the values by.
ellipsis	A numeric scalar of the maximum number of values to display before using an ellipsis.
chk	A flag specifying whether to check the other parameters.

Details

By default, if x has more than 10 values an ellipsis is used to ensure only 10 values are displayed (including the ellipsis).

Value

A string.

Examples

cc(1:2)
cc(1:2, conj = " or")
cc(3:1, brac = "'")
cc(1:11)
cc(as.character(1:2))

chk documentation built on Oct. 6, 2023, 9:06 a.m.