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 @(#)uuencode.format.5 6.2 (Berkeley) 04/30/89

 UUENCODE 5 ""
.AT 3

 NAME
uuencode - format of an encoded uuencode file

 DESCRIPTION
Files output by
 uuencode(1) consist of a header line,
followed by a number of body lines,
and a trailer line.
 Uudecode(1) will ignore any lines preceding the header or
following the trailer.
Lines preceding a header must not, of course,
look like a header.


The header line is distinguished by having the first
6 characters \*(lqbegin \*(rq.
The word
 begin is followed by a mode (in octal),
and a string which names the remote file.
A space separates the three items in the header line.


The body consists of a number of lines, each at most 62 characters
long (including the trailing newline).
These consist of a character count,
followed by encoded characters,
followed by a newline.
The character count is a single printing character,
and represents an integer, the number of bytes
the rest of the line represents.
Such integers are always in the range from 0 to 63 and can
be determined by subtracting the character space (octal 40)
from the character.


Groups of 3 bytes are stored in 4 characters, 6 bits per character.
All are offset by a space to make the characters printing.
The last line may be shorter than the normal 45 bytes.
If the size is not a multiple of 3, this fact can be determined
by the value of the count on the last line.
Extra garbage will be included to make the character count a multiple
of 4.
The body is terminated by a line with a count of zero.
This line consists of one ASCII space.


The trailer line consists of \*(lqend\*(rq on a line by itself.

 "SEE ALSO"
uuencode(1), uudecode(1), uusend(1), uucp(1), mail(1)