NetBSD/usr.bin/uuencode/uuencode.1

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.\" $NetBSD: uuencode.1,v 1.7 1997/11/01 06:32:13 mycroft Exp $
.\"
.\" Copyright (c) 1980, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" modification, are permitted provided that the following conditions
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
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.\" @(#)uuencode.1 8.1 (Berkeley) 6/6/93
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.\"
.Dd June 6, 1993
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.Dt UUENCODE 1
.Os BSD 4
.Sh NAME
.Nm uuencode ,
.Nm uudecode
.Nd encode/decode a binary file
.Sh SYNOPSIS
.Nm
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.Op Ar file
.Ar name
.Nm uudecode
.Op Ar file ...
.Sh DESCRIPTION
.Nm
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and
.Nm uudecode
are used to transmit binary files over transmission mediums
that do not support other than simple
.Tn ASCII
data.
.Pp
.Nm
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reads
.Ar file
(or by default the standard input) and writes an encoded version
to the standard output.
The encoding uses only printing
.Tn ASCII
characters and includes the
mode of the file and the operand
.Ar name
for use by
.Nm uudecode .
.Pp
.Nm uudecode
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transforms
.Em uuencoded
files (or by default, the standard input) into the original form.
The resulting file is named
.Ar name
and will have the mode of the original file except that setuid
and execute bits are not retained.
.Nm uudecode
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ignores any leading and trailing lines.
.Sh EXAMPLES
The following example packages up a source tree, compresses it,
uuencodes it and mails it to a user on another system.
When
.Nm uudecode
is run on the target system, the file ``src_tree.tar.Z'' will be
created which may then be uncompressed and extracted into the original
tree.
.Pp
.Bd -literal -offset indent -compact
tar cf \- src_tree \&| compress \&|
uuencode src_tree.tar.Z \&| mail sys1!sys2!user
.Ed
.Sh DIAGNOSTICS
The
.Nm uudecode
and
.Nm
utilities exits 0 on success, and >0 if an error occurs.
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.Sh SEE ALSO
.Xr compress 1 ,
.Xr mail 1 ,
.Xr uucp 1 ,
.Xr uuencode 5
.Sh STANDARDS
The
.Nm uudecode
and
.Nm
utilities conform to
.St -p1003.2-92 .
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.Sh HISTORY
The
.Nm uudecode
and
.Nm
utilities appeared in
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.Bx 4.0 .
.Sh BUGS
The encoded form of the file is expanded by 35% (3 bytes become 4 plus
control information).