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#' Add a prefix or suffix to column names
#'
#' @rdname data_prefix_suffix
#' @inheritParams extract_column_names
#' @param pattern A character string, which will be added as prefix or suffix
#' to the column names.
#' @param ... Other arguments passed to or from other functions.
#'
#' @seealso
#' [data_rename()] for more fine-grained column renaming.
#' @examples
#' # Add prefix / suffix to all columns
#' head(data_addprefix(iris, "NEW_"))
#' head(data_addsuffix(iris, "_OLD"))
#'
#' @export
data_addprefix <- function(data,
pattern,
select = NULL,
exclude = NULL,
ignore_case = FALSE,
regex = FALSE,
verbose = TRUE,
...) {
# evaluate arguments
select <- .select_nse(select,
data,
exclude,
ignore_case,
regex = regex,
verbose = verbose
)
selected_columns <- colnames(data) %in% select
colnames(data)[selected_columns] <- paste0(pattern, colnames(data)[selected_columns])
data
}
#' @rdname data_prefix_suffix
#' @export
data_addsuffix <- function(data,
pattern,
select = NULL,
exclude = NULL,
ignore_case = FALSE,
regex = FALSE,
verbose = TRUE,
...) {
# evaluate arguments
select <- .select_nse(select,
data,
exclude,
ignore_case,
regex = regex,
verbose = verbose
)
selected_columns <- colnames(data) %in% select
colnames(data)[selected_columns] <- paste0(colnames(data)[selected_columns], pattern)
data
}
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