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mime.types(5)

mime.types(5)                    OpenPrinting                    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 are specified in files with the extension .types
       in the CUPS configuration directory.

       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 media type and are optionally followed by a series of file  recog‐
       nition rules:

           mime/type [ rule ... rule ]

       Rules can be extended over multiple lines using the backslash character
       (\):

           mime/type [ really-really-really-long-rule ... \
             rule ]

       MIME  media types specified by the mime/type field are case-insensitive
       and are sorted in ascending alphanumeric  order  for  the  purposes  of
       matching.  See the "TYPE MATCHING AND PRIORITY" section for more infor‐
       mation.

       The rules may be grouped using parenthesis, joined using "+" for a log‐
       ical  AND, joined using "," 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
       available:

       match("pattern")
            True if the filename matches the given shell wildcard pattern.

       ascii(offset,length)
            True if the length bytes starting at offset  are  valid  printable
            ASCII (CR, NL, TAB, BS, 32-126).  length cannot exceed 8192 bytes.

       printable(offset,length)
            True  if  the  length bytes starting at offset are printable 8-bit
            chars (CR, NL, TAB, BS, 32-126, 128-254).   length  cannot  exceed
            8192 bytes.

       priority(number)
            Specifies  the relative priority of this MIME media type.  The de‐
            fault priority is 100.  Larger values have higher  priority  while
            smaller values have lower priority.

       string(offset,"string")
            True if the bytes starting at offset are identical to string.

       istring(offset,"string")
            True  if the bytes starting at offset match string without respect
            to case.

       char(offset,value)
            True if the byte at offset is identical to value.

       short(offset,value)
            True if the 16-bit big-endian integer at offset  is  identical  to
            value.

       int(offset,value)
            True  if  the  32-bit big-endian integer at offset is identical to
            value.

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

       contains(offset,length,"string")
            True if the bytes starting at offset  for  length  bytes  contains
            string.  length cannot exceed 8192 bytes.

   STRING CONSTANTS
       String  constants  can be specified inside quotes ("") for strings con‐
       taining whitespace and angle brackets (<>) for hexadecimal strings.

   TYPE MATCHING AND PRIORITY
       When CUPS needs to determine the MIME media type of a  given  file,  it
       checks  every MIME media type defined in the .types files.  When two or
       more types match a given file, 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  cho‐
       sen.

       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".   How‐
       ever,  if  "text/foo"  also  defines a higher priority than "text/bar",
       "text/foo" will be chosen instead.

FILES
       /etc/cups - Typical CUPS configuration directory.

EXAMPLES
       Define two MIME media types for raster data, with one  being  a  subset
       with higher priority:

           application/vnd.cups-raster  string(0,"RaSt") string(0,"tSaR") \
                                         string(0,"RaS2") string(0,"2SaR") \
                                         string(0,"RaS3") string(0,"3SaR")

           image/pwg-raster              string(0,"RaS2") + \
                                         string(4,PwgRaster<00>) priority(150)


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   print/cups = Stability Volatile

SEE ALSO
       cups-files.conf(5),     cupsd.conf(5),     cupsd(8),     cupsfilter(8),
       mime.convs(5), CUPS Online Help (http://localhost:631/help)

COPYRIGHT
       Copyright © 2020-2024 by OpenPrinting.



NOTES
       Source code for open source software components in Oracle  Solaris  can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This software was built from source available at:
       https://github.com/oracle/solaris-userland

       The original community source was downloaded from:
       https://github.com/OpenPrinting/cups/releases/down‐
       load/v2.4.15/cups-2.4.15-source.tar.gz

       Further information about this software can be found on the open source
       community website at http://www.cups.org/.

2021-02-28                           CUPS                        mime.types(5)
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