diff --git a/R/cp.R b/R/cp.R
index 7049137..efd770c 100644
--- a/R/cp.R
+++ b/R/cp.R
@@ -3,7 +3,8 @@
 #' Copy files, overwriting existing files if necessary, and returning the result
 #' invisibly.
 #'
-#' @param from source file names.
+#' @param from source file names. Multiple filenames can be matched using
+#'        wildcard notation, such as \code{*.csv} to copy all CSV files.
 #' @param to destination file names, or directory.
 #'
 #' @return
@@ -28,5 +29,5 @@
 
 cp <- function(from, to)
 {
-  invisible(file.copy(from, to, overwrite=TRUE))
+  invisible(file.copy(Sys.glob(from), to, overwrite=TRUE))
 }
diff --git a/man/cp.Rd b/man/cp.Rd
index 6a3dcf1..7cdb3ae 100644
--- a/man/cp.Rd
+++ b/man/cp.Rd
@@ -7,7 +7,8 @@
 cp(from, to)
 }
 \arguments{
-\item{from}{source file names.}
+\item{from}{source file names. Multiple filenames can be matched using
+wildcard notation, such as \code{*.csv} to copy all CSV files.}
 
 \item{to}{destination file names, or directory.}
 }