1.\" $NetBSD: uuencode.1,v 1.7 1997/11/01 06:32:13 mycroft Exp $ 2.\" 3.\" Copyright (c) 1980, 1990, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)uuencode.1 8.1 (Berkeley) 6/6/93 35.\" 36.Dd June 6, 1993 37.Dt UUENCODE 1 38.Os BSD 4 39.Sh NAME 40.Nm uuencode , 41.Nm uudecode 42.Nd encode/decode a binary file 43.Sh SYNOPSIS 44.Nm 45.Op Ar file 46.Ar name 47.Nm uudecode 48.Op Ar file ... 49.Sh DESCRIPTION 50.Nm 51and 52.Nm uudecode 53are used to transmit binary files over transmission mediums 54that do not support other than simple 55.Tn ASCII 56data. 57.Pp 58.Nm 59reads 60.Ar file 61(or by default the standard input) and writes an encoded version 62to the standard output. 63The encoding uses only printing 64.Tn ASCII 65characters and includes the 66mode of the file and the operand 67.Ar name 68for use by 69.Nm uudecode . 70.Pp 71.Nm uudecode 72transforms 73.Em uuencoded 74files (or by default, the standard input) into the original form. 75The resulting file is named 76.Ar name 77and will have the mode of the original file except that setuid 78and execute bits are not retained. 79.Nm uudecode 80ignores any leading and trailing lines. 81.Sh EXAMPLES 82The following example packages up a source tree, compresses it, 83uuencodes it and mails it to a user on another system. 84When 85.Nm uudecode 86is run on the target system, the file ``src_tree.tar.Z'' will be 87created which may then be uncompressed and extracted into the original 88tree. 89.Pp 90.Bd -literal -offset indent -compact 91tar cf \- src_tree \&| compress \&| 92uuencode src_tree.tar.Z \&| mail sys1!sys2!user 93.Ed 94.Sh DIAGNOSTICS 95The 96.Nm uudecode 97and 98.Nm 99utilities exits 0 on success, and >0 if an error occurs. 100.Sh SEE ALSO 101.Xr compress 1 , 102.Xr mail 1 , 103.Xr uucp 1 , 104.Xr uuencode 5 105.Sh STANDARDS 106The 107.Nm uudecode 108and 109.Nm 110utilities conform to 111.St -p1003.2-92 . 112.Sh HISTORY 113The 114.Nm uudecode 115and 116.Nm 117utilities appeared in 118.Bx 4.0 . 119.Sh BUGS 120The encoded form of the file is expanded by 35% (3 bytes become 4 plus 121control information). 122