xref: /dragonfly/usr.bin/shar/shar.1 (revision 2b3f93ea)
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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.\"
31.Dd June 6, 1993
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 -v '^[X#]' shar.file
107.Ed
108