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Annotation of researchv10dc/man/manb/uuencode.5, revision 1.1.1.1

1.1       root        1: .TH UUENCODE 5 6/1/80
                      2: .UC 4
                      3: .SH NAME
                      4: uuencode \- format of an encoded uuencode file
                      5: .SH DESCRIPTION
                      6: Files output by
                      7: .I uuencode(1)
                      8: consist of a header line,
                      9: followed by a number of body lines,
                     10: and a trailer line.
                     11: .I Uudecode(1)
                     12: will ignore any lines preceding the header or
                     13: following the trailer.
                     14: Lines preceding a header must not, of course,
                     15: look like a header.
                     16: .PP
                     17: The header line is distinguished by having the first
                     18: 6 characters \*(lqbegin\ \*(rq.
                     19: The word
                     20: .I begin
                     21: is followed by a mode (in octal),
                     22: and a string which names the remote file.
                     23: A space separates the three items in the header line.
                     24: .PP
                     25: The body consists of a number of lines, each at most 62 characters
                     26: long (including the trailing newline).
                     27: These consist of a character count,
                     28: followed by encoded characters,
                     29: followed by a newline.
                     30: The character count is a single printing character,
                     31: and represents an integer, the number of bytes
                     32: the rest of the line represents.
                     33: Such integers are always in the range from 0 to 63 and can
                     34: be determined by subtracting the character space (octal 40)
                     35: from the character.
                     36: .PP
                     37: Groups of 3 bytes are stored in 4 characters, 6 bits per character.
                     38: All are offset by a space to make the characters printing.
                     39: The last line may be shorter than the normal 45 bytes.
                     40: If the size is not a multiple of 3, this fact can be determined
                     41: by the value of the count on the last line.
                     42: Extra garbage will be included to make the character count a multiple
                     43: of 4.
                     44: The body is terminated by a line with a count of zero.
                     45: This line consists of one ASCII space.
                     46: .PP
                     47: The trailer line consists of \*(lqend\*(rq on a line by itself.
                     48: .SH SEE\ ALSO
                     49: uuencode(1), uusend(1), uucp(1), mail(1)

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