boB Rudis
8 years ago
43 changed files with 281 additions and 64 deletions
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For Linux/UNIX/macOS you need 'libmagic' installed which is a component of the |
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'file' utility: <https://github.com/file/file>. You can find out more information |
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on 'libmagic' and 'file' at this URL: <http://www.darwinsys.com/file/>. |
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Here are the incantations you must use to get magic for your environment: |
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|
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- `apt-get install libmagic-dev` on Ubuntu/Debian-ish systems |
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- `brew install libmagic` on macOS |
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- `yum install file-devel` on RHEL/CentOS/Fedora |
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|
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For Windows you will need Rtools <https://cran.r-project.org/bin/windows/Rtools/> |
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version 3.3 or higher (it may work with older ones, but it's only been tested on |
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Rtools version 3.3 & 3.4). |
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@ -1 +1 @@ |
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response <- encoding <- NULL |
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extensions <- mime_type <- response <- encoding <- NULL |
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#' @title MIME Types Database |
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#' @description This is a dataset of all mime types. It aggregates data from the |
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#' following sources: |
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#' |
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#' \itemize{ |
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#' \item \url{http://www.iana.org/assignments/media-types/media-types.xhtml} |
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#' \item \url{http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types} |
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#' \item \url{http://hg.nginx.org/nginx/raw-file/default/conf/mime.types} |
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#' } |
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#' |
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#' There are a total of four possible fields per element: |
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#' |
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#' \itemize{ |
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#' \item \code{source}: where the mime type is defined. If not set, it's |
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#' probably a custom media type. One of \code{apache}, \code{iana} or \code{nginx}. |
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#' \item \code{extensions}: a character vector of known extensions associated with this mime type. |
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#' \item \code{compressible}: whether a file of this type can be "gzipped" (mostly |
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#' useful in the context of serving up web content). |
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#' \item \code{charset}: the default charset associated with this type, if any. |
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#' } |
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#' |
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#' @docType data |
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#' @keywords datasets |
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#' @name mime_db |
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#' |
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#' @references Ingested from \url{https://github.com/jshttp/mime-db}. |
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#' @usage data(mime_db) |
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#' @note Last updated 2016-08-14; the only guaranteed field is \code{source} |
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#' @format A list with 1,883 elements and four named fields: \code{source}, |
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#' \code{compressible}, \code{extensions} & \code{charset}. |
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NULL |
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JSON_DB_URL <- "https://raw.githubusercontent.com/jshttp/mime-db/master/db.json" |
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mime_db <- jsonlite::fromJSON(JSON_DB_URL, flatten=TRUE) |
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use_data(mime_db) |
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echo "Checking to see if libmagic is available..." |
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|
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: ${R_HOME=`R RHOME`} |
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if test -z "${R_HOME}"; then |
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echo "could not determine R_HOME" |
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exit 1 |
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fi |
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CC=`"${R_HOME}/bin/R" CMD config CC` |
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CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS` |
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CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS` |
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CXXFLAGS=`"${R_HOME}/bin/R" CMD config CXXFLAGS` |
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LDFLAGS=`"${R_HOME}/bin/R" CMD config LDFLAGS` |
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DYLIB_LDFLAGS=`"${R_HOME}/bin/R" CMD config DYLIB_LDFLAGS` |
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SHLIB_LDFLAGS=`"${R_HOME}/bin/R" CMD config SHLIB_LDFLAGS` |
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temp_src=$(mktemp) |
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cat > ${temp_src} <<EOF |
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#include "src/magic.h" |
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int main() { |
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magic_t t = magic_open(MAGIC_NONE); |
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return(0) |
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} |
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EOF |
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temp_exe=$(mktemp) |
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${CC} ${CFLAGS} ${CPPFLAGS} ${LD_FLAGS} ${CXXFLAGS} ${DYLIB_LDFLAGS} ${SHLIB_LDFLAGS} -L/usr/local/lib -L/opt/local/lib -L/usr/lib -lmagic -o ${temp_exe} ${temp_src} &> /dev/null |
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ccerr=$? |
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rm ${temp_src} ${temp_exe} |
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if [ "$ccerr" == 1 ] ; then |
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echo |
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echo |
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echo "The libmagic library was not found." |
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echo |
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echo "Please install it before installing this package." |
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echo |
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echo |
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exit 1 |
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fi |
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exit 0 |
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% Generated by roxygen2: do not edit by hand |
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% Please edit documentation in R/datasets.r |
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\docType{data} |
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\name{mime_db} |
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\alias{mime_db} |
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\title{MIME Types Database} |
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\format{A list with 1,883 elements and four named fields: \code{source}, |
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\code{compressible}, \code{extensions} & \code{charset}.} |
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\usage{ |
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data(mime_db) |
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} |
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\description{ |
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This is a dataset of all mime types. It aggregates data from the |
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following sources: |
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|
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\itemize{ |
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\item \url{http://www.iana.org/assignments/media-types/media-types.xhtml} |
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\item \url{http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types} |
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\item \url{http://hg.nginx.org/nginx/raw-file/default/conf/mime.types} |
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} |
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|
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There are a total of four possible fields per element: |
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|
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\itemize{ |
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\item \code{source}: where the mime type is defined. If not set, it's |
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probably a custom media type. One of \code{apache}, \code{iana} or \code{nginx}. |
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\item \code{extensions}: a character vector of known extensions associated with this mime type. |
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\item \code{compressible}: whether a file of this type can be "gzipped" (mostly |
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useful in the context of serving up web content). |
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\item \code{charset}: the default charset associated with this type, if any. |
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} |
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} |
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\note{ |
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Last updated 2016-08-14; the only guaranteed field is \code{source} |
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} |
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\references{ |
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Ingested from \url{https://github.com/jshttp/mime-db}. |
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} |
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\keyword{datasets} |
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|
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