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mmencode (1)
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  • mmencode (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • 
    
    

    NAME

         mmencode - Translate to and from mail-oriented encoding for-
         mats
    
    
    

    SYNOPSIS

         mmencode [ -ubq ] [ -o outputfile ] [ inputfile ]
    
    
    

    DESCRIPTION

         The mmencode program simply converts a byte stream into  (or
         out of) one of the standard mail encoding formats defined by
         MIME, the proposed standard  for  internet  multimedia  mail
         formats.   Such an encoding is necessary because binary data
         cannot be sent through the mail.  The  encodings  understood
         by mmencode are preferable to the use of the uuencode(1) and
         uudecode(1) programs, for use in mail, in  several  respects
         that were important to the authors of MIME.
    
         By default, mmencode  reads  standard  input,  and  sends  a
         ``base64'' encoded version of the inputfile to standard out-
         put.  If no inputfile is specified, then the standard  input
         is processed.
    
         The following options are available.
    
         -b   Tells mmencode to process ``base64'' encoding (which is
              the default).
    
         -q   Tells mmencode to process ``quoted-printable'' encoding
              instead of ``base64''.
    
         -u   Tells mmencode to decode the input, rather than  encode
              it.
    
         -o   Output will be sent to outputfile instead of the  stan-
              dard output.
    
    
    

    RATIONALE

         mmencode is intended to be a replacement  for  uuencode  for
         mail  and news use.  The reason is simple:  uuencode doesn't
         work very well in a number of circumstances  and  ways.   In
         particular,  uuencode  uses  characters that don't translate
         well across all mail gateways (particularly ASCII <-> EBCDIC
         gateways).   Also,  uuencode  is  not  standard -- there are
         several variants  floating  around,  encoding  and  decoding
         things  in  different and incompatible ways, with no ``stan-
         dard'' on which to base an implementation.   Finally,  uuen-
         code  does  not generally work well in a pipe, although some
         variants have been modified to do so.   mmencode  implements
         the  encodings  which  were  defined  for  MIME  as uuencode
         replacements, and should be  considerably  more  robust  for
         email use.
    
    
    

    SEE ALSO

         metamail(1), uuencode(1), uudecode(1)
    
    
    

    BUGS

         This program is derived from the mmencode  provided  in  the
         metamail  package.   That package also links this program to
         the name mimencode.  The -p option, which is provided in the
         metamail implementation, is accepted as a noop.
    
    
    

    COPYRIGHT

         Copyright  (c)  1991  Bell  Communications  Research,   Inc.
         (Bellcore)
    
         Permission  to  use,  copy,  modify,  and  distribute   this
         material  for any purpose and without fee is hereby granted,
         provided that the above copyright notice and this permission
         notice  appear  in all copies, and that the name of Bellcore
         not be used in advertising or publicity pertaining  to  this
         material  without  the specific, prior written permission of
         an authorized representative of Bellcore.  BELLCORE MAKES NO
         REPRESENTATIONS  ABOUT  THE  ACCURACY OR SUITABILITY OF THIS
         MATERIAL FOR ANY PURPOSE.  IT IS PROVIDED "AS  IS",  WITHOUT
         ANY EXPRESS OR IMPLIED WARRANTIES.
    
    
    

    AUTHOR

         Nathaniel S. Borenstein
    
    
    
    


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