xref: /freebsd/usr.bin/what/what.1 (revision 069ac18495ad8fde2748bc94b0f80a50250bb01d)
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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