xref: /freebsd/usr.bin/what/what.1 (revision 732a02b4e77866604a120a275c082bb6221bd2ff)
1.\" Copyright (c) 1980, 1991, 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.\"     @(#)what.1	8.1 (Berkeley) 6/6/93
29.\"
30.\" $FreeBSD$
31.\"
32.Dd December 14, 2006
33.Dt WHAT 1
34.Os
35.Sh NAME
36.Nm what
37.Nd "show what versions of object modules were used to construct a file"
38.Sh SYNOPSIS
39.Nm
40.Op Fl qs
41.Op Ar
42.Sh DESCRIPTION
43The
44.Nm
45utility searches each specified
46.Ar file
47for sequences of the form
48.Dq Li @(#)
49as inserted by the
50.Tn SCCS
51source code control system.
52It prints the remainder
53of the string following this marker, up to a NUL character, newline, double
54quote,
55.Ql \&>
56character, or backslash.
57.Pp
58The following options are available:
59.Bl -tag -width indent
60.It Fl q
61Only output the match text, rather than formatting it.
62.It Fl s
63Stop searching each file after the first match.
64.El
65.Sh EXIT STATUS
66Exit status is 0 if any matches were found, otherwise 1.
67.Sh SEE ALSO
68.Xr ident 1 ,
69.Xr strings 1
70.Sh STANDARDS
71The
72.Nm
73utility conforms to
74.St -p1003.1-2001 .
75The
76.Fl q
77option is a non-standard
78.Fx
79extension which may not be available on other operating systems.
80.Sh HISTORY
81The
82.Nm
83command appeared in
84.Bx 4.0 .
85.Sh BUGS
86This is a rewrite of the
87.Tn SCCS
88command of the same name,
89and behavior may not be identical.
90