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RCSCLEAN(1)							   RCSCLEAN(1)


NAME    [Toc]    [Back]

     rcsclean -	clean up working files

SYNOPSIS    [Toc]    [Back]

     rcsclean [options]	[ file ... ]

DESCRIPTION    [Toc]    [Back]

     rcsclean removes files that are not being worked on.  rcsclean -u also
     unlocks and removes files that are	being worked on	but have not changed.

     For each file given, rcsclean compares the	working	file and a revision in
     the corresponding RCS file.  If it	finds a	difference, it does nothing.
     Otherwise,	it first unlocks the revision if the -u	option is given, and
     then removes the working file unless the working file is writable and the
     revision is locked.  It logs its actions by outputting the	corresponding
     rcs -u and	rm -f commands on the standard output.

     Files are paired as explained in ci(1).  If no file is given, all working
     files in the current directory are	cleaned.  Pathnames matching an	RCS
     suffix denote RCS files; all others denote	working	files.

     The number	of the revision	to which the working file is compared may be
     attached to any of	the options -n,	-q, -r,	or -u.	If no revision number
     is	specified, then	if the -u option is given and the caller has one
     revision locked, rcsclean uses that revision; otherwise rcsclean uses the
     latest revision on	the default branch, normally the root.

     rcsclean is useful	for clean targets in Makefiles.	 See also rcsdiff(1),
     which prints out the differences, and ci(1), which	normally reverts to
     the previous revision if a	file was not changed.

OPTIONS    [Toc]    [Back]

     -ksubst
	  Use subst style keyword substitution when retrieving the revision
	  for comparison.  See co(1) for details.

     -n[rev]
	  Do not actually remove any files or unlock any revisions.  Using
	  this option will tell	you what rcsclean would	do without actually
	  doing	it.

     -q[rev]
	  Do not log the actions taken on standard output.

     -r[rev]
	  This option has no effect other than specifying the revision for
	  comparison.

     -T	  Preserve the modification time on the	RCS file even if the RCS file
	  changes because a lock is removed.  This option can suppress
	  extensive recompilation caused by a make(1) dependency of some other
	  copy of the working file on the RCS file.  Use this option with



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RCSCLEAN(1)							   RCSCLEAN(1)



	  care;	it can suppress	recompilation even when	it is needed, i.e.
	  when the lock	removal	would mean a change to keyword strings in the
	  other	working	file.

     -u[rev]
	  Unlock the revision if it is locked and no difference	is found.

     -V	  Print	RCS's version number.

     -Vn  Emulate RCS version n.  See co(1) for	details.

     -xsuffixes
	  Use suffixes to characterize RCS files.  See ci(1) for details.

     -zzone
	  Use zone as the time zone for	keyword	substitution; see co(1)	for
	  details.

EXAMPLES    [Toc]    [Back]

	  rcsclean  *.c	 *.h

     removes all working files ending in .c or .h that were not	changed	since
     their checkout.

	  rcsclean

     removes all working files in the current directory	that were not changed
     since their checkout.

FILES    [Toc]    [Back]

     rcsclean accesses files much as ci(1) does.

ENVIRONMENT    [Toc]    [Back]

     RCSINIT
	  options prepended to the argument list, separated by spaces.	A
	  backslash escapes spaces within an option.  The RCSINIT options are
	  prepended to the argument lists of most RCS commands.	 Useful
	  RCSINIT options include -q, -V, -x, and -z.

DIAGNOSTICS    [Toc]    [Back]

     The exit status is	zero if	and only if all	operations were	successful.
     Missing working files and RCS files are silently ignored.

IDENTIFICATION    [Toc]    [Back]

     Author: Walter F. Tichy.
     Revision Number: 5.7; Release Date: 1998/01/12.
     Copyright c 1982, 1988, 1989 by Walter F. Tichy.
     Copyright c 1990, 1991, 1992, 1993	by Paul	Eggert.







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RCSCLEAN(1)							   RCSCLEAN(1)



SEE ALSO
     ci(1), co(1), ident(1), rcs(1), rcsdiff(1), rcsintro(1), rcsmerge(1),
     rlog(1), rcsfile(4), RCSsource(5)
     Walter F. Tichy, RCS--A System for	Version	Control, Software--Practice &
     Experience	15, 7 (July 1985), 637-654.

BUGS    [Toc]    [Back]

     At	least one file must be given in	older Unix versions that do not
     provide the needed	directory scanning operations.


									PPPPaaaaggggeeee 3333
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