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.\" $FreeBSD$ 30.\" 31.Dd January 31, 2019 32.Dt SHAR 1 33.Os 34.Sh NAME 35.Nm shar 36.Nd create a shell archive of files 37.Sh SYNOPSIS 38.Nm 39.Ar 40.Sh DESCRIPTION 41The 42.Nm 43command writes a 44.Xr sh 1 45shell script to the standard output which will recreate the file 46hierarchy specified by the command line operands. 47Directories will be recreated and must be specified before the 48files they contain (the 49.Xr find 1 50utility does this correctly). 51.Pp 52The 53.Nm 54command is normally used for distributing files by 55.Xr ftp 1 56or 57.Xr mail 1 . 58.Sh EXAMPLES 59To create a shell archive of the program 60.Xr ls 1 61and mail it to Rick: 62.Bd -literal -offset indent 63cd ls 64shar `find . -print` \&| mail -s "ls source" rick 65.Ed 66.Pp 67To recreate the program directory: 68.Bd -literal -offset indent 69mkdir ls 70cd ls 71\&... 72<delete header lines and examine mailed archive> 73\&... 74sh archive 75.Ed 76.Sh SEE ALSO 77.Xr compress 1 , 78.Xr mail 1 , 79.Xr tar 1 , 80.Xr uuencode 1 81.Sh HISTORY 82The 83.Nm 84command appeared in 85.Bx 4.4 . 86.Sh BUGS 87The 88.Nm 89command makes no provisions for special types of files or files containing 90magic characters. 91The 92.Nm 93command cannot handle files without a newline ('\\n') 94as the last character. 95.Pp 96It is easy to insert trojan horses into 97.Nm 98files. 99It is strongly recommended that all shell archive files be examined 100before running them through 101.Xr sh 1 . 102Archives produced using this implementation of 103.Nm 104may be easily examined with the command: 105.Bd -literal -offset indent 106egrep -av '^[X#]' shar.file 107.Ed 108