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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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