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RCSCLEAN |
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!!!RCSCLEAN |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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OPTIONS |
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EXAMPLES |
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FILES |
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ENVIRONMENT |
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DIAGNOSTICS |
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IDENTIFICATION |
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SEE ALSO |
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BUGS |
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---- |
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!!NAME |
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rcsclean - clean up working files |
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!!SYNOPSIS |
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__rcsclean__ [[''options''] [[ ''file'' ... |
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] |
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!!DESCRIPTION |
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__rcsclean__ removes files that are not being worked on. |
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__rcsclean -u__ also unlocks and removes files that are |
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being worked on but have not changed. |
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For each ''file'' given, __rcsclean__ compares the |
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working file and a revision in the corresponding |
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RCS file. If it finds a difference, it does |
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nothing. Otherwise, it first unlocks the revision if the |
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__-u__ option is given, and then removes the working file |
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unless the working file is writable and the revision is |
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locked. It logs its actions by outputting the corresponding |
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__rcs -u__ and __rm -f__ commands on the standard |
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output. |
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Files are paired as explained in ci(1). If no |
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''file'' is given, all working files in the current |
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directory are cleaned. Pathnames matching an |
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RCS suffix denote RCS files; |
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all others denote working files. |
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The number of the revision to which the working file is |
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compared may be attached to any of the options __-n__, |
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__-q__, __-r__, or __-u__. If no revision number is |
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specified, then if the __-u__ option is given and the |
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caller has one revision locked, __rcsclean__ uses that |
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revision; otherwise __rcsclean__ uses the latest revision |
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on the default branch, normally the root. |
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__rcsclean__ is useful for __clean__ targets in |
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makefiles. See also rcsdiff(1), which prints out the |
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differences, and ci(1), which normally reverts to the |
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previous revision if a file was not changed. |
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!!OPTIONS |
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__-k__''subst'' |
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Use ''subst'' style keyword substitution when retrieving |
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the revision for comparison. See co(1) for |
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details. |
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__-n__[[''rev''] |
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Do not actually remove any files or unlock any revisions. |
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Using this option will tell you what __rcsclean__ would |
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do without actually doing it. |
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__-q__[[''rev''] |
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Do not log the actions taken on standard |
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output. |
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__-r__[[''rev''] |
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This option has no effect other than specifying the revision |
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for comparison. |
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__-T__ |
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Preserve the modification time on the RCS |
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file even if the RCS file changes because a |
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lock is removed. This option can suppress extensive |
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recompilation caused by a make(1) dependency of some |
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other copy of the working file on the RCS |
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file. Use this option with care; it can suppress |
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recompilation even when it is needed, i.e. when the lock |
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removal would mean a change to keyword strings in the other |
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working file. |
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__-u__[[''rev''] |
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Unlock the revision if it is locked and no difference is |
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found. |
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__-V__ |
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Print RCS 's version number. |
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__-V__''n'' |
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Emulate RCS version ''n''. See |
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co(1) for details. |
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__-x__''suffixes'' |
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Use ''suffixes'' to characterize RCS |
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files. See ci(1) for details. |
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__-z__''zone'' |
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Use ''zone'' as the time zone for keyword substitution; |
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see co(1) for details. |
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!!EXAMPLES |
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__rcsclean *.c *.h__ |
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removes all working files ending in __.c__ or __.h__ |
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that were not changed since their checkout. |
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__rcsclean__ |
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removes all working files in the current directory that were |
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not changed since their checkout. |
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!!FILES |
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__rcsclean__ accesses files much as ci(1) |
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does. |
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!!ENVIRONMENT |
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__RCSINIT__ |
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options prepended to the argument list, separated by spaces. |
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A backslash escapes spaces within an option. The |
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__RCSINIT__ options are prepended to the |
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argument lists of most RCS commands. Useful |
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__RCSINIT__ options include __-q__, |
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__-V__, __-x__, and __-z__. |
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!!DIAGNOSTICS |
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The exit status is zero if and only if all operations were |
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successful. Missing working files and RCS |
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files are silently ignored. |
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!!IDENTIFICATION |
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Author: Walter F. Tichy. |
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Manual Page Revision: 1.12; Release Date: 1993/11/03. |
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Copyright 1982, 1988, 1989 Walter F. Tichy. |
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Copyright 1990, 1991, 1992, 1993 Paul Eggert. |
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!!SEE ALSO |
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ci(1), co(1), ident(1), rcs(1), rcsdiff(1), rcsintro(1), |
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rcsmerge(1), rlog(1), rcsfile(5) |
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Walter F. Tichy, RCS --A System for Version |
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Control, ''Software--Practice '' |
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__15__, 7 (July 1985), 637-654. |
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!!BUGS |
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At least one ''file'' must be given in older Unix |
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versions that do not provide the needed directory scanning |
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operations. |
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---- |