setnames <- `names<-`
patterns <- c(
rsprintf = "(?<!%)%[\\s\\+\\-\\#\\.\\d]*\\w",
rprintv = "(?<!\\$)\\$[\\w\\.]+(:[\\s\\+\\-\\#\\.\\d]*\\w)?",
rprintn = "(?<!\\{)\\{\\d+(:[\\s\\+\\-\\#\\.\\d]*\\w)?\\}(?!\\})",
rsprintf = ".")
rprintf.match <- function(x, fun, args, envir) {
do.call(fun, c(x, args), envir = envir)
}
makelist <- function(...) {
## better use do.call(c,list(...))
args <- list(...)
if (any(vapply(args, is.list, logical(1L))))
unlist(args, recursive = FALSE) else args
}
rsprintf <- function(.format, ..., .envir = parent.frame()) {
args <- makelist(...)
do.call(sprintf, c(.format, args), envir = .envir)
}
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