xref: /freebsd/usr.bin/shar/shar.1 (revision 17ee9d00bc1ae1e598c38f25826f861e4bc6c3ce)
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32.\"     @(#)shar.1	8.1 (Berkeley) 6/6/93
33.\"
34.Dd June 6, 1993
35.Dt SHAR 1
36.Os BSD 4.4
37.Sh NAME
38.Nm shar
39.Nd create a shell archive of files
40.Sh SYNOPSIS
41.Nm shar Ar
42.Sh DESCRIPTION
43.Nm Shar
44writes an
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
53.Nm Shar
54is normally used for distributing files by
55.Xr ftp  1
56or
57.Xr mail  1  .
58.Sh SEE ALSO
59.Xr compress 1 ,
60.Xr mail 1 ,
61.Xr uuencode 1 ,
62.Xr tar 1
63.Sh BUGS
64.Nm Shar
65makes no provisions for special types of files or files containing
66magic characters.
67.Pp
68It is easy to insert trojan horses into
69.Nm shar
70files.
71It is strongly recommended that all shell archive files be examined
72before running them through
73.Xr sh  1  .
74Archives produced using this implementation of
75.Nm shar
76may be easily examined with the command:
77.Bd -literal -offset indent
78egrep -v '^[X#]' shar.file
79.Ed
80.Sh EXAMPLES
81To create a shell archive of the program
82.Xr ls  1
83and mail it to Rick:
84.Bd -literal -offset indent
85cd ls
86shar `find . -print` \&|  mail -s "ls source" rick
87.Ed
88.Pp
89To recreate the program directory:
90.Bd -literal -offset indent
91mkdir ls
92cd ls
93...
94<delete header lines and examine mailed archive>
95...
96sh archive
97.Ed
98.Sh HISTORY
99The
100.Nm
101command appears in
102.Bx 4.4 .
103