Guess the MIME types from filenames
Look up in the mimemap table for the MIME types based on the
extensions of the given filenames.
guess_type( file, unknown = "application/octet-stream", empty = "text/plain", mime_extra = mimeextra, subtype = "" )
file |
a character vector of filenames, or filename extensions |
unknown |
the MIME type to return when the file extension was not found in the table |
empty |
the MIME type for files that do not have extensions |
mime_extra |
a named character vector of the form |
subtype |
a character vector of MIME subtypes, which should be of the
same length as |
library(mime)
# well-known file types
guess_type(c("a/b/c.html", "d.pdf", "e.odt", "foo.docx", "tex"))
# not in the standard table, but in mimeextra
guess_type(c("a.md", "b.R"), mime_extra = NULL)
guess_type(c("a.md", "b.R"))
# override the standard MIME table (tex is text/x-tex by default)
guess_type("tex", mime_extra = c(tex = "text/plain"))
# unknown extension 'bar'
guess_type("foo.bar")
# force unknown types to be plain text
guess_type("foo.bar", unknown = "text/plain")
# empty file extension
guess_type("Makefile")
# we know it is a plain text file
guess_type("Makefile", empty = "text/plain")
# subtypes
guess_type(c("abc.html", "def.htm"), subtype = c("charset=UTF-8", ""))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.