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.
# NOT RUN {
data(mimeTypeExtensions)
# }
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