list.files {base} | R Documentation |
This function produces a list containing the names of files
in the named directory. dir
is an alias.
list.files(path, pattern=NULL, all.files=FALSE, full.names=FALSE) dir(path, pattern=NULL, all.files=FALSE, full.names=FALSE)
path |
a vector of full path names. |
pattern |
an optional regular expression. Only file names which match the regular expression will be returned. |
all.files |
a logical value. If FALSE , only the
names of visible files are returned. If TRUE ,
all file names will be returned. |
full.names |
a logical value. If TRUE , the directory
path is prepended to the file names. If FALSE , only
the file names are returned. |
A character vector containing the names of the files in the
specified directory, or ""
if there were no files. The files are
sorted in alphabetical order, on the full path if full.names = TRUE
.
File naming conventions are very platform dependent.
The pattern
argument will be ignored (with a warning) when R
is compiled without a regular expressions library.
Ross Ihaka
list.files(R.home())