Mapping from extension to MIME type
This is a programmatically generated character vector
whose names identify the MIME type typically associated with
the extension which are the values.
This is used in guessMIMEType.
We can match an extension and then find the corresponding
MIME type.
There are duplicates.
data(mimeTypeExtensions)
The format is a named character vector where the names are the MIME types and the values are the file extensions.
The table of MIME types and extensions was programmatically extracted
from http://www.webmaster-toolkit.com/mime-types.shtml or
http://reference.sitepoint.com/html/mime-types-full with
tbls = readHTMLTable("http://www.webmaster-toolkit.com/mime-types.shtml")
tmp = tbls[[1]][-1,]
mimeTypeExtensions = structure(as.character(tmp[[2]]), names = gsub("^\.", "", tmp[[1]]))
save(mimeTypeExtensions, file = "data/mimeTypeExtensions.rda")
The IANA list is not as convenient to programmatically compile.
data(mimeTypeExtensions)
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.