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NAME
     uuencode - encode a binary file

     uudecode - decode a file created by uuencode

SYNOPSIS
     uuencode [-m] [ file ] name

     uudecode [-o outfile] [ file ]...

DESCRIPTION
     Uuencode and uudecode are used to transmit binary files over
     transmission  mediums  that do not support other than simple
     ASCII data.

     Uuencode reads file (or by default the standard  input)  and
     writes  an  encoded  version  to  the  standard output.  The
     encoding uses only printing ASCII  characters  and  includes
     the  mode  of  the  file  and  the  operand  name for use by
     uudecode. If name is /dev/stdout the result will be  written
     to  standard  output.   By  default the standard UU encoding
     format will be used.  If the option -m is given on the  com-
     mand line base64 encoding is used instead.

     Uudecode transforms uuencoded  files  (or  by  default,  the
     standard  input) into the original form.  The resulting file
     is named name (or outfile if the -o  option  is  given)  and
     will  have  the mode of the original file except that setuid
     and execute bits are not retained.  If outfile  or  name  is
     /dev/stdout  the  result will be written to standard output.
     Uudecode ignores any leading and trailing lines.   The  pro-
     gram  can  automatically  decide which of the both supported
     encoding schemes are used.

EXAMPLES
     The following example packages up a source tree,  compresses
     it,  uuencodes  it and mails it to a user on another system.
     When  uudecode  is  run  on  the  target  system,  the  file
     ``src_tree.tar.Z''   will  be  created  which  may  then  be
     uncompressed and extracted into the original tree.

          tar cf - src_tree | compress | uuencode  src_tree.tar.Z
          | mail sys1!sys2!user

SEE ALSO
     compress(1), mail(1), uucp(1), uuencode(5)

STANDARDS
     This implementation is compliant with P1003.2b/D11.

BUGS
     If more than one file is given to uudecode and the -o option
     is  given or more than one name in the encoded files are the
     same the result is probably not what is expected.

     The encoded form of the file  is  expanded  by  37%  for  UU
     encoding  and  by  35% for base64 encoding (3 bytes become 4
     plus control information).

HISTORY
     The uuencode command appeared in BSD 4.0.

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