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Annotation of 43BSDTahoe/man/man5/uuencode.5, revision 1.1.1.1

1.1       root        1: .\"    @(#)uuencode.5  6.1 (Berkeley) 5/15/85
                      2: .\"
                      3: .TH UUENCODE 5 "May 15, 1985"
                      4: .AT 3
                      5: .SH NAME
                      6: uuencode \- format of an encoded uuencode file
                      7: .SH DESCRIPTION
                      8: Files output by
                      9: .I uuencode(1C)
                     10: consist of a header line,
                     11: followed by a number of body lines,
                     12: and a trailer line.
                     13: .I Uudecode(1C)
                     14: will ignore any lines preceding the header or
                     15: following the trailer.
                     16: Lines preceding a header must not, of course,
                     17: look like a header.
                     18: .PP
                     19: The header line is distinguished by having the first
                     20: 6 characters \*(lqbegin\ \*(rq.
                     21: The word
                     22: .I begin
                     23: is followed by a mode (in octal),
                     24: and a string which names the remote file.
                     25: A space separates the three items in the header line.
                     26: .PP
                     27: The body consists of a number of lines, each at most 62 characters
                     28: long (including the trailing newline).
                     29: These consist of a character count,
                     30: followed by encoded characters,
                     31: followed by a newline.
                     32: The character count is a single printing character,
                     33: and represents an integer, the number of bytes
                     34: the rest of the line represents.
                     35: Such integers are always in the range from 0 to 63 and can
                     36: be determined by subtracting the character space (octal 40)
                     37: from the character.
                     38: .PP
                     39: Groups of 3 bytes are stored in 4 characters, 6 bits per character.
                     40: All are offset by a space to make the characters printing.
                     41: The last line may be shorter than the normal 45 bytes.
                     42: If the size is not a multiple of 3, this fact can be determined
                     43: by the value of the count on the last line.
                     44: Extra garbage will be included to make the character count a multiple
                     45: of 4.
                     46: The body is terminated by a line with a count of zero.
                     47: This line consists of one ASCII space.
                     48: .PP
                     49: The trailer line consists of \*(lqend\*(rq on a line by itself.
                     50: .SH "SEE ALSO"
                     51: uuencode(1C), uudecode(1C), uusend(1C), uucp(1C), mail(1)

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