6578739ddb
track.
The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;
.\" $Id$
.\"
If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.
Approved by: bde
106 lines
3.8 KiB
Groff
106 lines
3.8 KiB
Groff
.\" Copyright (c) 1989, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)uuencode.format.5 8.2 (Berkeley) 1/12/94
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.\" $Id$
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.\"
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.Dd January 12, 1994
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.Dt UUENCODE 5
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.Os BSD 4
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.Sh NAME
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.Nm uuencode
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.Nd format of an encoded uuencode file
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.Sh DESCRIPTION
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Files output by
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.Xr uuencode 1
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consist of a header line,
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followed by a number of body lines,
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and a trailer line.
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The
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.Xr uudecode 1
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command
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will ignore any lines preceding the header or
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following the trailer.
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Lines preceding a header must not, of course,
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look like a header.
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.Pp
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The header line is distinguished by having the first
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6 characters
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.Dq begin\ \&
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(note the trailing space).
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The word
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.Em begin
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is followed by a mode (in octal),
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and a string which names the remote file.
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A space separates the three items in the header line.
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.Pp
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The body consists of a number of lines, each at most 62 characters
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long (including the trailing newline).
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These consist of a character count,
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followed by encoded characters,
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followed by a newline.
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The character count is a single printing character,
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and represents an integer, the number of bytes
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the rest of the line represents.
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Such integers are always in the range from 1 to 45 or 64 and can
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be determined by subtracting the character space (octal 40)
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from the character.
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Character 64 represents a count of zero.
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.Pp
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Groups of 3 bytes are stored in 4 characters, 6 bits per character.
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All characters are always in range from 1 to 64 and are offset by a
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space (octal 40) to make the characters printing. Character
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64 represents a count of zero.
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The last line may be shorter than the normal 45 bytes.
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If the size is not a multiple of 3, this fact can be determined
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by the value of the count on the last line.
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Extra garbage will be included to make the character count a multiple
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of 4.
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The body is terminated by a line with a count of zero.
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This line consists of one
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.Tn ASCII
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backquote (octal 140) character.
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.Pp
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The trailer line consists of
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.Dq end
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on a line by itself.
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.Sh SEE ALSO
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.Xr mail 1 ,
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.Xr uucp 1 ,
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.Xr uudecode 1 ,
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.Xr uuencode 1
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.Sh HISTORY
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The
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.Nm uuencode
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file format appeared in
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.Bx 4.0 .
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.\" It was named uuencode.5 prior to 4.3
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