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Annotation of 43BSDReno/usr.bin/uuencode/uuencode.format.5, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1989 The Regents of the University of California.
                      2: .\" All rights reserved.
                      3: .\"
                      4: .\" Redistribution and use in source and binary forms are permitted provided
                      5: .\" that: (1) source distributions retain this entire copyright notice and
                      6: .\" comment, and (2) distributions including binaries display the following
                      7: .\" acknowledgement:  ``This product includes software developed by the
                      8: .\" University of California, Berkeley and its contributors'' in the
                      9: .\" documentation or other materials provided with the distribution and in
                     10: .\" all advertising materials mentioning features or use of this software.
                     11: .\" Neither the name of the University nor the names of its contributors may
                     12: .\" be used to endorse or promote products derived from this software without
                     13: .\" specific prior written permission.
                     14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     17: .\"
                     18: .\"    @(#)uuencode.format.5   6.3 (Berkeley) 6/23/90
                     19: .\"
                     20: .TH UUENCODE 5 "June 23, 1990"
                     21: .AT 3
                     22: .SH NAME
                     23: uuencode \- format of an encoded uuencode file
                     24: .SH DESCRIPTION
                     25: Files output by
                     26: .I uuencode(1)
                     27: consist of a header line,
                     28: followed by a number of body lines,
                     29: and a trailer line.
                     30: .I Uudecode(1)
                     31: will ignore any lines preceding the header or
                     32: following the trailer.
                     33: Lines preceding a header must not, of course,
                     34: look like a header.
                     35: .PP
                     36: The header line is distinguished by having the first
                     37: 6 characters \*(lqbegin\ \*(rq.
                     38: The word
                     39: .I begin
                     40: is followed by a mode (in octal),
                     41: and a string which names the remote file.
                     42: A space separates the three items in the header line.
                     43: .PP
                     44: The body consists of a number of lines, each at most 62 characters
                     45: long (including the trailing newline).
                     46: These consist of a character count,
                     47: followed by encoded characters,
                     48: followed by a newline.
                     49: The character count is a single printing character,
                     50: and represents an integer, the number of bytes
                     51: the rest of the line represents.
                     52: Such integers are always in the range from 0 to 63 and can
                     53: be determined by subtracting the character space (octal 40)
                     54: from the character.
                     55: .PP
                     56: Groups of 3 bytes are stored in 4 characters, 6 bits per character.
                     57: All are offset by a space to make the characters printing.
                     58: The last line may be shorter than the normal 45 bytes.
                     59: If the size is not a multiple of 3, this fact can be determined
                     60: by the value of the count on the last line.
                     61: Extra garbage will be included to make the character count a multiple
                     62: of 4.
                     63: The body is terminated by a line with a count of zero.
                     64: This line consists of one ASCII space.
                     65: .PP
                     66: The trailer line consists of \*(lqend\*(rq on a line by itself.
                     67: .SH "SEE ALSO"
                     68: uuencode(1), uudecode(1), uusend(1), uucp(1), mail(1)

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