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uuencode(1)                                                        uuencode(1)



NAME
       uuencode, uudecode - encode a binary file, or decode its representation

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 command line base64 encoding is used instead.

       Note:  uuencode  uses buffered input and assumes that it is not hand typed from a tty.  The consequence is that
       at a tty, you may need to hit Ctl-D several times to terminate input.

       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 program can automatically decide which
       of the two 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).

REPORTING BUGS
       Report bugs to <bug-gnu-utilsATgnu.org>.  Please put sharutils or uuencode in the subject  line.   It  helps  to
       spot the message.

HISTORY
       The uuencode command appeared in BSD 4.0.



                                                                   uuencode(1)