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UUENCODE.DOC
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1990-09-16
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UUENCODE(1C) USER COMMANDS UUENCODE(1C)
NAME
uuencode,uudecode - encode/decode a binary file for
transmission via mail
SYNOPSIS
uuencode source [ [output-file] | [| mail sys1!sys2!..!decode] ]
uudecode [ file ]
DESCRIPTION
_U_u_e_n_c_o_d_e and _u_u_d_e_c_o_d_e are used to send a binary file via
uucp (or other) mail. This combination can be used over
indirect mail links even when _u_u_s_e_n_d(1C) is not available.
_U_u_e_n_c_o_d_e takes the named source file and produces an encoded
version on the standard output. The encoding uses only
printing ASCII characters, and includes the mode of the
source file for recreation on the remote system. Option-
ally, the output filename for the encoded file may be speci-
fied on the command-line, or the output may be piped to
another command like _m_a_i_l.
_U_u_d_e_c_o_d_e 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 _s_e_n_d_m_a_i_l or by
making _r_m_a_i_l be a link to _M_a_i_l instead of _m_a_i_l. 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
uuencode(5), uusend(1C), uucp(1C), uux(1C), mail(1)
AUTHOR
Mark Horton
BUGS
The file is expanded by 35% (3 bytes become 4 plus control
information) causing it to take longer to transmit.
Sun Release 4.0 Last change: 1 June 1980 1
UUENCODE(1C) USER COMMANDS UUENCODE(1C)
The user on the remote system who is invoking _u_u_d_e_c_o_d_e
(often _u_u_c_p) must have write permission on the specified
file.
Sun Release 4.0 Last change: 1 June 1980 2