mime.types(5)							    Apple Inc.							     mime.types(5)

NAME

       mime.types - mime type description file for cups

DESCRIPTION

       The mime.types file defines the recognized file types.

       Additional file types can be added to mime.types or (preferably) in additional files in the CUPS configuration directory with the extension
       ".types".

       Each line in the mime.types file is a comment, blank, or rule line. Comment lines start with the # character. Rule  lines  start  with  the
       MIME  type  name  and  are  optionally followed by a series of file recognition rules that are used to automatically identify print and web
       files:

	   super/type rule [ ... ruleN]
       MIME type names are case-insensitive and are sorted in ascending alphanumeric order for the purposes of matching. See  the  "TYPE  MATCHING
       AND PRIORITY" section for more information.

       The  rules  may	be grouped using parenthesis, joined using "+" for a logical AND and "," or whitespace for a logical OR, and negated using
       "!".

RULES

       Rules take two forms - a filename extension by itself and functions with test values inside parenthesis. The following functions are avail-
       able:

       match("pattern")
	    Pattern match on filename

       ascii(offset,length)
	    True if bytes are valid printable ASCII (CR, NL, TAB, BS, 32-126)

       printable(offset,length)
	    True if bytes are printable 8-bit chars (CR, NL, TAB, BS, 32-126, 128-254)

       priority(number)
	    Specifies the relative priority of this MIME type. The default priority is 100.  Larger values have higher priority while smaller val-
	    ues have lower priority.

       string(offset,"string")
	    True if bytes are identical to string

       istring(offset,"string")
	    True if a case-insensitive comparison of the bytes is identical

       char(offset,value)
	    True if byte is identical

       short(offset,value)
	    True if 16-bit integer is identical

       int(offset,value)
	    True if 32-bit integer is identical

       locale("string")
	    True if current locale matches string

       contains(offset,range,"string")
	    True if the range contains the string

STRING CONSTANTS

       String constants can be specified inside quotes ("") for strings containing whitespace and angle brackets (<>) for hexadecimal strings.

TYPE MATCHING AND PRIORITY

       When CUPS needs to determine the MIME type of a given file, it checks every MIME type defined in the .types files. When two types have  the
       same  matching rules, the type chosen will depend on the type name and priority, with higher- priority types being used over lower-priority
       ones. If the types have the same priority, the type names are sorted alphanumerically in ascending order and the first type is chosen.

       For example, if two types "text/bar" and "text/foo" are defined as matching the extension "doc", normally the type "text/bar" will be  cho-
       sen  since  its	name  is  alphanumerically smaller than "text/foo". However, if "text/foo" also defines a higher priority than "text/bar",
       "text/foo" will be chosen instead.

SEE ALSO

       classes.conf(5), cupsd(8), cupsd.conf(5), mime.convs(5), printers.conf(5),
       http://localhost:631/help

COPYRIGHT

       Copyright 2007-2011 by Apple Inc.

16 May 2009							       CUPS							     mime.types(5)