87faa07bec
of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
144 lines
4.2 KiB
Groff
144 lines
4.2 KiB
Groff
.\" Copyright (c) 1980, 1990, 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.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd June 6, 1993
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.Dt UUENCODE 1
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.Os BSD 4
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.Sh NAME
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.Nm uuencode ,
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.Nm uudecode
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.Nd encode/decode a binary file
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.Sh SYNOPSIS
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.Nm uuencode
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.Op Ar file
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.Ar name
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.Nm uudecode
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.Op Fl cips
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.Op Ar
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.Sh DESCRIPTION
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.Nm Uuencode
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and
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.Nm uudecode
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are used to transmit binary files over transmission mediums
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that do not support other than simple
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.Tn ASCII
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data.
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.Pp
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.Nm Uuencode
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reads
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.Ar file
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(or by default the standard input) and writes an encoded version
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to the standard output.
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The encoding uses only printing
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.Tn ASCII
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characters and includes the
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mode of the file and the operand
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.Ar name
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for use by
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.Nm uudecode .
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.Pp
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.Nm Uudecode
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transforms
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.Em uuencoded
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files (or by default, the standard input) into the original form.
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The resulting file is named
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.Ar name
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and will have the mode of the original file except that setuid
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and execute bits are not retained.
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.Nm Uudecode
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ignores any leading and trailing lines.
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.Pp
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The following options are available for
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.Nm uudecode :
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.Bl -tag -width ident
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.It Fl c
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Decode more than one uuencode'd file from
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.Ar file
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if possible.
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.It Fl i
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Do not overwrite files.
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.It Fl p
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Decode
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.Ar file
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and write output to standard output.
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.It Fl s
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Do not strip output pathname to base filename.
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By default
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.Nm uudecode
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deletes any prefix ending with the last slash '/' for security
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purpose.
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.Sh EXAMPLES
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The following example packages up a source tree, compresses it,
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uuencodes it and mails it to a user on another system.
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When
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.Nm uudecode
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is run on the target system, the file ``src_tree.tar.Z'' will be
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created which may then be uncompressed and extracted into the original
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tree.
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.Pp
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.Bd -literal -offset indent -compact
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tar cf \- src_tree \&| compress \&|
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uuencode src_tree.tar.Z \&| mail sys1!sys2!user
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.Ed
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The following example unpack all uuencode'd
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files from your mailbox into your current working directory.
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.Pp
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.Bd -literal -offset indent -compact
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uudecode -c < $MAIL
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.Ed
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The following example extract a compress'ed tar
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archive from your mailbox
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.Pp
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.Bd -literal -offset indent -compact
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uudecode -p < $MAIL | zcat | tar xfv -
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.Ed
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.Sh SEE ALSO
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.Xr basename 1 ,
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.Xr compress 1 ,
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.Xr mail 1 ,
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.Xr uucp 1 ,
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.Xr uuencode 5
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.Sh BUGS
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The encoded form of the file is expanded by 35% (3 bytes become 4 plus
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control information).
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.Sh HISTORY
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The
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.Nm uudecode
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and
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.Nm uuencode
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utilities appeared in
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.Bx 4.0 .
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