MimeType ( medialocation ; default )

Return Mime Type for media
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Roger Biel
2Geckos Consulting, LLC
www.2geckos.com
Sample input:
MimeType( L107::Graphic ; "TXT" )
Sample output:
image/jpeg
Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
//  MimeType( medialocation ; default )

Let( [ medialocation = Trimall( Lower( GetAsText( medialocation ) ) ;1;2) ;
medialocation = Filter ( medialocation ; "abcdefghijklomnopqrstuvwxyz1234567890:./-?|!#@$%^&*()_+={}[]" ) ;

default = If( IsEmpty( default ) ; "unknown" ; default ) ] ;

Case( IsEmpty ( medialocation ) ; "no media" ;
      Left( medialocation ; 1 ) = ">" ; "no media" ;

medialocation = "?" ; "Image file" ; // assume no extension as a WMF file

Right( medialocation ; 4 ) = ".php" ; "application/php" ;
Right( medialocation ; 4 ) = ".asp" ; "application/asp" ;
Right( medialocation ; 4 ) = ".cgi" ; "application/cgi" ;

//  173 Mime types compatable with podcasting  
//  http://en.wikipedia.org/wiki/Mime_type
Right( medialocation ; 3 ) = ".ai" ; "application/postscript" ;
Right( medialocation ; 4 ) = ".aif" ; "audio/x-aiff" ;
Right( medialocation ; 5 ) = ".aifc" ; "audio/x-aiff" ;
Right( medialocation ; 5 ) = ".aiff" ; "audio/x-aiff" ;
Right( medialocation ; 4 ) = ".asc" ; "text/plain" ;
Right( medialocation ; 5 ) = ".atom" ; "application/atom+xml" ;
Right( medialocation ; 3 ) = ".au" ; "audio/basic" ;
Right( medialocation ; 4 ) = ".avi" ; "video/x-msvideo" ;
Right( medialocation ; 6 ) = ".bcpio" ; "application/x-bcpio" ;
Right( medialocation ; 4 ) = ".bin" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".bmp" ; "image/bmp" ;
Right( medialocation ; 4 ) = ".cdf" ; "application/x-netcdf" ;
Right( medialocation ; 4 ) = ".cgm" ; "image/cgm" ;
Right( medialocation ; 6 ) = ".class" ; "application/octet-stream" ;
Right( medialocation ; 5 ) = ".cpio" ; "application/x-cpio" ;
Right( medialocation ; 4 ) = ".cpt" ; "application/mac-compactpro" ;
Right( medialocation ; 4 ) = ".csh" ; "application/x-csh" ;
Right( medialocation ; 4 ) = ".css" ; "text/css" ;
Right( medialocation ; 4 ) = ".dcr" ; "application/x-director" ;
Right( medialocation ; 4 ) = ".dif" ; "video/x-dv" ;
Right( medialocation ; 4 ) = ".dir" ; "application/x-director" ;
Right( medialocation ; 4 ) = ".djv" ; "image/vnd.djvu" ;
Right( medialocation ; 5 ) = ".djvu" ; "image/vnd.djvu" ;
Right( medialocation ; 4 ) = ".dll" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".dmg" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".dms" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".doc" ; "application/msword" ;
Right( medialocation ; 4 ) = ".dtd" ; "application/xml-dtd" ;
Right( medialocation ; 3 ) = ".dv" ; "video/x-dv" ;
Right( medialocation ; 4 ) = ".dvi" ; "application/x-dvi" ;
Right( medialocation ; 4 ) = ".dxr" ; "application/x-director" ;
Right( medialocation ; 4 ) = ".eps" ; "application/postscript" ;
Right( medialocation ; 4 ) = ".etx" ; "text/x-setext" ;
Right( medialocation ; 4 ) = ".exe" ; "application/octet-stream" ;
Right( medialocation ; 3 ) = ".ez" ; "application/andrew-inset" ;
Right( medialocation ; 4 ) = ".flv" ; "video/x-flv" ;
Right( medialocation ; 4 ) = ".gif" ; "image/gif" ;
Right( medialocation ; 5 ) = ".gram" ; "application/srgs" ;
Right( medialocation ; 6 ) = ".grxml" ; "application/srgs+xml" ;
Right( medialocation ; 5 ) = ".gtar" ; "application/x-gtar" ;
Right( medialocation ; 4 ) = ".hdf" ; "application/x-hdf" ;
Right( medialocation ; 4 ) = ".hqx" ; "application/mac-binhex40" ;
Right( medialocation ; 4 ) = ".htm" ; "text/html" ;
Right( medialocation ; 5 ) = ".html" ; "text/html" ;
Right( medialocation ; 4 ) = ".ice" ; "x-conference/x-cooltalk" ;
Right( medialocation ; 4 ) = ".ico" ; "image/x-icon" ;
Right( medialocation ; 4 ) = ".ics" ; "text/calendar" ;
Right( medialocation ; 4 ) = ".ief" ; "image/ief" ;
Right( medialocation ; 4 ) = ".ifb" ; "text/calendar" ;
Right( medialocation ; 4 ) = ".iges" ; "model/iges" ;
Right( medialocation ; 4 ) = ".igs" ; "model/iges" ;
Right( medialocation ; 5 ) = ".jnlp" ; "application/x-java-jnlp-file" ;
Right( medialocation ; 4 ) = ".jp2" ; "image/jp2" ;
Right( medialocation ; 4 ) = ".jpe" ; "image/jpeg" ;
Right( medialocation ; 4 ) = ".jpeg" ; "image/jpeg" ;
Right( medialocation ; 4 ) = ".jpg" ; "image/jpeg" ;
Right( medialocation ; 3 ) = ".js" ; "application/x-javascript" ;
Right( medialocation ; 4 ) = ".kar" ; "audio/midi" ;
Right( medialocation ; 6 ) = ".latex" ; "application/x-latex" ;
Right( medialocation ; 4 ) = ".lha" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".lzh" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".m3u" ; "audio/x-mpegurl" ;
Right( medialocation ; 4 ) = ".m4a" ; "audio/mp4a-latm" ;
Right( medialocation ; 4 ) = ".m4b" ; "audio/mp4a-latm" ;
Right( medialocation ; 4 ) = ".m4p" ; "audio/mp4a-latm" ;
Right( medialocation ; 4 ) = ".m4u" ; "video/vnd.mpegurl" ;
Right( medialocation ; 4 ) = ".m4v" ; "video/x-m4v" ;
Right( medialocation ; 4 ) = ".mac" ; "image/x-macpaint" ;
Right( medialocation ; 4 ) = ".man" ; "application/x-troff-man" ;
Right( medialocation ; 7 ) = ".mathml" ; "application/mathml+xml" ;
Right( medialocation ; 4 ) = ".me" ; "application/x-troff-me" ;
Right( medialocation ; 4 ) = ".mesh" ; "model/mesh" ;
Right( medialocation ; 4 ) = ".mid" ; "audio/midi" ;
Right( medialocation ; 4 ) = ".midi" ; "audio/midi" ;
Right( medialocation ; 4 ) = ".mif" ; "application/vnd.mif" ;
Right( medialocation ; 4 ) = ".mov" ; "video/quicktime" ;
Right( medialocation ; 4 ) = ".movie" ; "video/x-sgi-movie" ;
Right( medialocation ; 4 ) = ".mp2" ; "audio/mpeg" ;
Right( medialocation ; 4 ) = ".mp3" ; "audio/mpeg" ;
Right( medialocation ; 4 ) = ".mp4" ; "video/mp4" ;
Right( medialocation ; 4 ) = ".mpe" ; "video/mpeg" ;
Right( medialocation ; 4 ) = ".mpeg" ; "video/mpeg" ;
Right( medialocation ; 4 ) = ".mpg" ; "video/mpeg" ;
Right( medialocation ; 4 ) = ".mpga" ; "audio/mpeg" ;
Right( medialocation ; 4 ) = ".ms" ; "application/x-troff-ms" ;
Right( medialocation ; 4 ) = ".msh" ; "model/mesh" ;
Right( medialocation ; 4 ) = ".mxu" ; "video/vnd.mpegurl" ;
Right( medialocation ; 4 ) = ".nc" ; "application/x-netcdf" ;
Right( medialocation ; 4 ) = ".oda" ; "application/oda" ;
Right( medialocation ; 4 ) = ".ogg" ; "application/ogg" ;
Right( medialocation ; 4 ) = ".pbm" ; "image/x-portable-bitmap" ;
Right( medialocation ; 4 ) = ".pct" ; "image/pict" ;
Right( medialocation ; 4 ) = ".pdb" ; "chemical/x-pdb" ;
Right( medialocation ; 4 ) = ".pdf" ; "application/pdf" ;
Right( medialocation ; 4 ) = ".pgm" ; "image/x-portable-graymap" ;
Right( medialocation ; 4 ) = ".pgn" ; "application/x-chess-pgn" ;
Right( medialocation ; 4 ) = ".pic" ; "image/pict" ;
Right( medialocation ; 4 ) = ".pict" ; "image/pict" ;
Right( medialocation ; 4 ) = ".png" ; "image/png" ;
Right( medialocation ; 4 ) = ".pnm" ; "image/x-portable-anymap" ;
Right( medialocation ; 4 ) = ".pnt" ; "image/x-macpaint" ;
Right( medialocation ; 4 ) = ".pntg" ; "image/x-macpaint" ;
Right( medialocation ; 4 ) = ".ppm" ; "image/x-portable-pixmap" ;
Right( medialocation ; 4 ) = ".ppt" ; "application/vnd.ms-powerpoint" ;
Right( medialocation ; 4 ) = ".ps" ; "application/postscript" ;
Right( medialocation ; 4 ) = ".qt" ; "video/quicktime" ;
Right( medialocation ; 4 ) = ".qti" ; "image/x-quicktime" ;
Right( medialocation ; 4 ) = ".qtif" ; "image/x-quicktime" ;
Right( medialocation ; 4 ) = ".ra" ; "audio/x-pn-realaudio" ;
Right( medialocation ; 4 ) = ".ram" ; "audio/x-pn-realaudio" ;
Right( medialocation ; 4 ) = ".ras" ; "image/x-cmu-raster" ;
Right( medialocation ; 4 ) = ".rdf" ; "application/rdf+xml" ;
Right( medialocation ; 4 ) = ".rgb" ; "image/x-rgb" ;
Right( medialocation ; 4 ) = ".rm" ; "application/vnd.rn-realmedia" ;
Right( medialocation ; 4 ) = ".roff" ; "application/x-troff" ;
Right( medialocation ; 4 ) = ".rss" ; "application/rss+xml " ;
Right( medialocation ; 4 ) = ".rtf" ; "text/rtf" ;
Right( medialocation ; 4 ) = ".rtx" ; "text/richtext" ;
Right( medialocation ; 4 ) = ".sgm" ; "text/sgml" ;
Right( medialocation ; 4 ) = ".sgml" ; "text/sgml" ;
Right( medialocation ; 4 ) = ".sh" ; "application/x-sh" ;
Right( medialocation ; 4 ) = ".shar" ; "application/x-shar" ;
Right( medialocation ; 4 ) = ".silo" ; "model/mesh" ;
Right( medialocation ; 4 ) = ".sit" ; "application/x-stuffit" ;
Right( medialocation ; 4 ) = ".skd" ; "application/x-koan" ;
Right( medialocation ; 4 ) = ".skm" ; "application/x-koan" ;
Right( medialocation ; 4 ) = ".skp" ; "application/x-koan" ;
Right( medialocation ; 4 ) = ".skt" ; "application/x-koan" ;
Right( medialocation ; 4 ) = ".smi" ; "application/smil" ;
Right( medialocation ; 4 ) = ".smil" ; "application/smil" ;
Right( medialocation ; 4 ) = ".snd" ; "audio/basic" ;
Right( medialocation ; 4 ) = ".so" ; "application/octet-stream" ;
Right( medialocation ; 4 ) = ".spl" ; "application/x-futuresplash" ;
Right( medialocation ; 4 ) = ".src" ; "application/x-wais-source" ;
Right( medialocation ; 4 ) = ".sv4cpio" ; "application/x-sv4cpio" ;
Right( medialocation ; 4 ) = ".sv4crc" ; "application/x-sv4crc" ;
Right( medialocation ; 4 ) = ".svg" ; "image/svg+xml" ;
Right( medialocation ; 4 ) = ".swf" ; "application/x-shockwave-flash" ;
Right( medialocation ; 4 ) = ".t" ; "application/x-troff" ;
Right( medialocation ; 4 ) = ".tar" ; "application/x-tar" ;
Right( medialocation ; 4 ) = ".tcl" ; "application/x-tcl" ;
Right( medialocation ; 4 ) = ".tex" ; "application/x-tex" ;
Right( medialocation ; 4 ) = ".texi" ; "application/x-texinfo" ;
Right( medialocation ; 4 ) = ".texinfo" ; "application/x-texinfo" ;
Right( medialocation ; 4 ) = ".tif" ; "image/tiff" ;
Right( medialocation ; 4 ) = ".tiff" ; "image/tiff" ;
Right( medialocation ; 4 ) = ".tr" ; "application/x-troff" ;
Right( medialocation ; 4 ) = ".tsv" ; "text/tab-separated-values" ;
Right( medialocation ; 4 ) = ".txt" ; "text/plain" ;
Right( medialocation ; 4 ) = ".ustar" ; "application/x-ustar" ;
Right( medialocation ; 4 ) = ".vcd" ; "application/x-cdlink" ;
Right( medialocation ; 4 ) = ".vrml" ; "model/vrml" ;
Right( medialocation ; 4 ) = ".vxml" ; "application/voicexml+xml" ;
Right( medialocation ; 4 ) = ".wav" ; "audio/x-wav" ;
Right( medialocation ; 4 ) = ".wbmp" ; "image/vnd.wap.wbmp" ;
Right( medialocation ; 4 ) = ".wbmxl" ; "application/vnd.wap.wbxml" ;
Right( medialocation ; 4 ) = ".wmv" ; "video/x-ms-wmv" ;
Right( medialocation ; 4 ) = ".wml" ; "text/vnd.wap.wml" ;
Right( medialocation ; 4 ) = ".wmlc" ; "application/vnd.wap.wmlc" ;
Right( medialocation ; 4 ) = ".wmls" ; "text/vnd.wap.wmlscript" ;
Right( medialocation ; 4 ) = ".wmlsc" ; "application/vnd.wap.wmlscriptc" ;
Right( medialocation ; 4 ) = ".wrl" ; "model/vrml" ;
Right( medialocation ; 4 ) = ".xbm" ; "image/x-xbitmap" ;
Right( medialocation ; 4 ) = ".xht" ; "application/xhtml+xml" ;
Right( medialocation ; 4 ) = ".xhtml" ; "application/xhtml+xml" ;
Right( medialocation ; 4 ) = ".xls" ; "application/vnd.ms-excel" ;
Right( medialocation ; 4 ) = ".xml" ; "application/xml" ;
Right( medialocation ; 4 ) = ".xpm" ; "image/x-xpixmap" ;
Right( medialocation ; 4 ) = ".xsl" ; "application/xml" ;
Right( medialocation ; 4 ) = ".xslt" ; "application/xslt+xml" ;
Right( medialocation ; 4 ) = ".xul" ; "application/vnd.mozilla.xul+xml" ;
Right( medialocation ; 4 ) = ".xwd" ; "image/x-xwindowdump" ;
Right( medialocation ; 4 ) = ".xyz" ; "chemical/x-xyz" ;
Right( medialocation ; 4 ) = ".zip" ; "application/zip" ;

default )
)
Determines the standard Mime type of most file extensions.
Default will be used in not mime type is found.

medialocation may be a container or pathname
Comments

		Austin Burbridge, Los Angeles May 2, 2012
This wants the <trim4> function
		Roger Biel, Casa Grande, Arizona May 2, 2012
You can substitute the TrimAll( text ; 1;2)
		Steven, Whitespace Systems Ltd. Apr 3, 2019
A more comprehensive version of this function is available as a portable script over at https://whitespacesystems.co.uk/get-mime-types-with-filemaker/
Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.
MimeType ( medialocation ; default )

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