#' Get Previous Month
#'
#' gets the current month and subtracts one month b/c pulling data from
#' previous month
#' input doesn't matter, will always give previous month in a character string
#' with a leading 0 for single digit months
#' @return a string containing the numeric value of the pervious month
get_prev_month <- function(x) {
x <- lubridate::today()
y <- stringr::str_sub(x, 6, 7)
month <- as.numeric(y) - 1
month <- ifelse(month < 10, paste0('0', as.character(month)), month)
month <- ifelse(month == "00", "12", month)
month
}
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