# 2.11BSD#431 - /usr/man/cat1/uuencode.0

    UUENCODE(1C)	    UNIX Programmer's Manual	     UUENCODE(1C)

    NAME
         uuencode, uudecode - encode/decode a binary file for
         transmission via mail

    SYNOPSIS
         uuencode [ source ] remotedest | mail sys1!sys2!..!decode
         uudecode [ file ]

    DESCRIPTION
         Uuencode and uudecode are used to send a binary file via
         uucp (or other) mail.  This combination can be used over
         indirect mail links even when uusend(1C) is not available.

         Uuencode takes the named source file (default standard
         input) and produces an encoded version on the standard out-
         put.  The encoding uses only printing ASCII characters, and
         includes the mode of the file and the remotedest for recrea-
         tion on the remote system.

         Uudecode reads an encoded file, strips off any leading and
         trailing lines added by mailers, and recreates the original
         file with the specified mode and name.

         The intent is that all mail to the user ``decode'' should be
         filtered through the uudecode program.  This way the file is
         created automatically without human intervention.	This is
         possible on the uucp network by either using sendmail or by
         making rmail be a link to Mail instead of mail.  In each
         case, an alias must be created in a master file to get the
         automatic invocation of uudecode.

         If these facilities are not available, the file can be sent
         to a user on the remote machine who can uudecode it manu-
         ally.

         The encode file has an ordinary text form and can be edited
         by any text editor to change the mode or remote name.

    SEE ALSO
         atob(n), uusend(1C), uucp(1C), uux(1C), mail(1), uuencode(5)

    BUGS
         The file is expanded by 35% (3 bytes become 4 plus control
         information) causing it to take longer to transmit.

         The user on the remote system who is invoking uudecode
         (often uucp) must have write permission on the specified
         file.

    Printed 11/26/99	 April 24, 1986                         1

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