xref: /freebsd/usr.bin/what/what.1 (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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.Dd December 14, 2006
29.Dt WHAT 1
30.Os
31.Sh NAME
32.Nm what
33.Nd "show what versions of object modules were used to construct a file"
34.Sh SYNOPSIS
35.Nm
36.Op Fl qs
37.Op Ar
38.Sh DESCRIPTION
39The
40.Nm
41utility searches each specified
42.Ar file
43for sequences of the form
44.Dq Li @(#)
45as inserted by the
46.Tn SCCS
47source code control system.
48It prints the remainder
49of the string following this marker, up to a NUL character, newline, double
50quote,
51.Ql \&>
52character, or backslash.
53.Pp
54The following options are available:
55.Bl -tag -width indent
56.It Fl q
57Only output the match text, rather than formatting it.
58.It Fl s
59Stop searching each file after the first match.
60.El
61.Sh EXIT STATUS
62Exit status is 0 if any matches were found, otherwise 1.
63.Sh SEE ALSO
64.Xr ident 1 ,
65.Xr strings 1
66.Sh STANDARDS
67The
68.Nm
69utility conforms to
70.St -p1003.1-2001 .
71The
72.Fl q
73option is a non-standard
74.Fx
75extension which may not be available on other operating systems.
76.Sh HISTORY
77The
78.Nm
79command appeared in
80.Bx 4.0 .
81.Sh BUGS
82This is a rewrite of the
83.Tn SCCS
84command of the same name,
85and behavior may not be identical.
86