1.\" Copyright (c) 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)shar.1 8.1 (Berkeley) 6/6/93 29.\" $FreeBSD: src/usr.bin/shar/shar.1,v 1.7.2.2 2001/08/16 13:17:03 ru Exp $ 30.\" $DragonFly: src/usr.bin/shar/shar.1,v 1.3 2006/02/17 19:39:10 swildner Exp $ 31.\" 32.Dd June 6, 1993 33.Dt SHAR 1 34.Os 35.Sh NAME 36.Nm shar 37.Nd create a shell archive of files 38.Sh SYNOPSIS 39.Nm 40.Ar 41.Sh DESCRIPTION 42The 43.Nm 44command writes a 45.Xr sh 1 46shell script to the standard output which will recreate the file 47hierarchy specified by the command line operands. 48Directories will be recreated and must be specified before the 49files they contain (the 50.Xr find 1 51utility does this correctly). 52.Pp 53The 54.Nm 55command is normally used for distributing files by 56.Xr ftp 1 57or 58.Xr mail 1 . 59.Sh EXAMPLES 60To create a shell archive of the program 61.Xr ls 1 62and mail it to Rick: 63.Bd -literal -offset indent 64cd ls 65shar `find . -print` \&| mail -s "ls source" rick 66.Ed 67.Pp 68To recreate the program directory: 69.Bd -literal -offset indent 70mkdir ls 71cd ls 72\&... 73<delete header lines and examine mailed archive> 74\&... 75sh archive 76.Ed 77.Sh SEE ALSO 78.Xr compress 1 , 79.Xr mail 1 , 80.Xr tar 1 , 81.Xr uuencode 1 82.Sh HISTORY 83The 84.Nm 85command appeared in 86.Bx 4.4 . 87.Sh BUGS 88The 89.Nm 90command makes no provisions for special types of files or files containing 91magic characters. 92The 93.Nm 94command cannot handle files without a newline ('\\n') 95as the last character. 96.Pp 97It is easy to insert trojan horses into 98.Nm 99files. 100It is strongly recommended that all shell archive files be examined 101before running them through 102.Xr sh 1 . 103Archives produced using this implementation of 104.Nm 105may be easily examined with the command: 106.Bd -literal -offset indent 107egrep -v '^[X#]' shar.file 108.Ed 109