5b4f007e0b
This is going to be pretty messy.... Although the vendor import was correct, both the vendor and release tags are the same "gnu"... :-/ Getting cvs to choose the correct one might be rather interesting...
183 lines
3.6 KiB
Groff
183 lines
3.6 KiB
Groff
.de Id
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.ds Rv \\$3
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.ds Dt \\$4
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.ds iD \\$3 \\$4 \\$5 \\$6 \\$7
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..
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.Id $Id: ident.1,v 5.4 1993/11/09 17:40:15 eggert Exp $
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.ds r \&\s-1RCS\s0
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.ds u \&\s-1UTC\s0
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.if n .ds - \%--
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.if t .ds - \(em
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.TH IDENT 1 \*(Dt GNU
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.SH NAME
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ident \- identify RCS keyword strings in files
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.SH SYNOPSIS
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.B ident
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[
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.B \-q
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] [
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.B \-V
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] [
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.I file
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\&.\|.\|. ]
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.SH DESCRIPTION
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.B ident
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searches for all instances of the pattern
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.BI $ keyword : "\ text\ " $
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in the named files or, if no files are named, the standard input.
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.PP
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These patterns are normally inserted automatically by the \*r command
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.BR co (1),
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but can also be inserted manually.
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The option
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.B \-q
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suppresses
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the warning given if there are no patterns in a file.
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The option
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.B \-V
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prints
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.BR ident 's
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version number.
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.PP
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.B ident
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works on text files as well as object files and dumps.
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For example, if the C program in
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.B f.c
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contains
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.IP
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.ft 3
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#include <stdio.h>
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.br
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static char const rcsid[] =
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.br
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\&"$\&Id: f.c,v \*(iD $\&";
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.br
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int main() { return printf(\&"%s\en\&", rcsid) == EOF; }
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.ft P
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.LP
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and
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.B f.c
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is compiled into
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.BR f.o ,
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then the command
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.IP
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.B "ident f.c f.o"
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.LP
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will output
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.nf
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.IP
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.ft 3
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f.c:
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$\&Id: f.c,v \*(iD $
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f.o:
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$\&Id: f.c,v \*(iD $
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.ft
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.fi
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.PP
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If a C program defines a string like
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.B rcsid
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above but does not use it,
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.BR lint (1)
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may complain, and some C compilers will optimize away the string.
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The most reliable solution is to have the program use the
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.B rcsid
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string, as shown in the example above.
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.PP
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.B ident
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finds all instances of the
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.BI $ keyword : "\ text\ " $
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pattern, even if
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.I keyword
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is not actually an \*r-supported keyword.
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This gives you information about nonstandard keywords like
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.BR $\&XConsortium$ .
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.SH KEYWORDS
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Here is the list of keywords currently maintained by
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.BR co (1).
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All times are given in Coordinated Universal Time (\*u,
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sometimes called \&\s-1GMT\s0) by default, but if the files
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were checked out with
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.BR co 's
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.BI \-z zone
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option, times are given with a numeric time zone indication appended.
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.TP
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.B $\&Author$
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The login name of the user who checked in the revision.
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.TP
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.B $\&Date$
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The date and time the revision was checked in.
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.TP
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.B $\&Header$
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A standard header containing the full pathname of the \*r file, the
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revision number, the date and time, the author, the state,
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and the locker (if locked).
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.TP
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.B $\&Id$
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Same as
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.BR $\&Header$ ,
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except that the \*r filename is without a path.
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.TP
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.B $\&Locker$
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The login name of the user who locked the revision (empty if not locked).
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.TP
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.B $\&Log$
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The log message supplied during checkin.
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For
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.BR ident 's
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purposes, this is equivalent to
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.BR $\&RCSfile$ .
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.TP
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.B $\&Name$
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The symbolic name used to check out the revision, if any.
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.TP
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.B $\&RCSfile$
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The name of the \*r file without a path.
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.TP
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.B $\&Revision$
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The revision number assigned to the revision.
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.TP
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.B $\&Source$
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The full pathname of the \*r file.
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.TP
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.B $\&State$
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The state assigned to the revision with the
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.B \-s
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option of
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.BR rcs (1)
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or
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.BR ci (1).
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.PP
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.BR co (1)
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represents the following characters in keyword values by escape sequences
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to keep keyword strings well-formed.
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.LP
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.RS
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.nf
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.ne 6
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.ta \w'newline 'u
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\f2char escape sequence\fP
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tab \f3\et\fP
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newline \f3\en\fP
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space \f3\e040
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$ \e044
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\e \e\e\fP
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.fi
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.RE
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.SH IDENTIFICATION
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Author: Walter F. Tichy.
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.br
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Manual Page Revision: \*(Rv; Release Date: \*(Dt.
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.br
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Copyright \(co 1982, 1988, 1989 Walter F. Tichy.
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.br
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Copyright \(co 1990, 1992, 1993 Paul Eggert.
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.SH "SEE ALSO"
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ci(1), co(1), rcs(1), rcsdiff(1), rcsintro(1), rcsmerge(1), rlog(1),
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rcsfile(5)
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.br
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Walter F. Tichy,
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\*r\*-A System for Version Control,
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.I "Software\*-Practice & Experience"
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.BR 15 ,
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7 (July 1985), 637-654.
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