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